OA C207
A plant manager wants to compare the production output for three assembly lines. Why is ANOVA the correct analysis technique to use for this scenario? -ANOVA can determine the rate at which production is completed for each assembly line -ANOVA can determine whether there is a significant difference in the output among the assembly lines -ANOVA can determine the reason one assembly line outperforms the others -ANOVA can determine which assembly line has the most output
-ANOVA can determine the rate at which production is completed for EACH assembly line
40. What describes fact-based decision-making according to quality management principles? Choose 2 answers. -Decisions foster trust in plans. -Decisions reduce external bias. -Decisions have a marginal effect on relationships with suppliers. -Decisions are based on the instincts of experienced leaders.
-Decisions foster trust in plans. -Decisions are based on the instincts of experienced leaders.
#1) which two statistics of a sample ARE ADVERSELY influenced by outliers - Mean of a sample -Median of a sample -Interquartile range of a sample -Standard deviation of a sample
-Mean -Standard deviation
A BOUTIQUE specializing in gits reviews its sales data over the last year. It observes a slow decline in revenue in the first quarter, a growth in revenue in the second quarter, a slight decline in revenue in the third quarter, and a rapid increase in revenue in the fourth quarter. Which data pattern type can the sales data be assessed against? -Irregularity -Seasonality -Cyclicality -Random variation
-Seasonality
#34). Financial analyst theorizes that commute times increase as the percentage of land availability for homes in a city decreases. To test this theory, the analyst uses a regression analysis. Which analysis result is supportive of this analyst's theory? -The P value for the regression coefficient is 1 -The R-squared value is 0.90 -The P value for the regression coefficient is 0.50 -The R-squared value is 0.10
-The R-squared value is 0.90
Which quality management principle should team members apply? -focusing on auxiliary tasks so that as many steps as possible are added to a process -committing to a new style of leadership that lets employees choose what they want to do each day -training all employees in the managerial process so both the organization and employees benefit -analyzing all adjustments made in one part of a system that may effect other parts of the system
-analyzing all adjustments made in one part of a system that may effect other parts of the system
(36) A company runs a regression analysis to identify the impact of volume on demand, which can be shown in an equation is Y = 50x + 110 What volume is required to produce a demand of 10510? 208 210 525,500 525.610
208 in Y=10510 in the equation and solve for x: Y = 50x + 110 10510 = 50x + 110 10400 = 50x x = 208
#21) Phone calls for a company are routed randomly to one of eight call centers. Six are based in the united states, and two are based in another country. What is the probability that an incoming call will be routed to a U.S based call center? a. 25% b. 33% c. 67% d. 75%
75%
#64 Which exam type compares one student's performance on a test to other students' performance? O An ad hoc test O A criterion-referenced test O A norm-referenced test O An essay test
A norm-referenced test
Check sheet
A structured, prepared form for collecting and analyzing data; a generic tool that can be adaterm-68pted for a wide variety of purposes.
#3) How are companies using analytics and big data to create value? A) By developing tailored products and services for specific customer segments B) By downsizing to streamline operations C) By identifying the underlying causes of trends for management evaluation D) By maximizing the use of social media to reach customers
A) By developing tailored products and services for specific customer segments
68 A county government is creating a budget for the next fiscal year. They wish to use analytics to guide their decisions about costs.
Average cost per project spent by other similar counties Whenever we prepare a budget, then were first compare or do a small research in market regarding that project Cost. Same is here , when a country is making budget then it should look at the budget of the similar counties.
#66) Two vendors sell a dozen raw materials that a company needs to build its products. Which type of analysis should be used to determine if one of the vendors has a statistically better average price at a given point in time? O Data analysis O Background analysis O Heuristic analysis O Graphical analysis
Background analysis
73.How do balanced scorecards and key performance indicator (KPI) dashboards differ?
Balanced scorecards are better for graphical or visual representations than KPI dashboards. Reason: balance scorecards approach we physically go at _ the bin and check the balance of the goods, but KPI don't require such thing.
#20) a school board has nine voting members. Five members need to be chosen each year for the finance committee. Why should the combination technique be used when selecting committee members? because the selection order of committee members is not important because the selection of committee member is important Because there is a correlation btw committee member meeting attendance Because there is NOT A CORRELATION btw committee members meeting attendance and selection
Because there is NOT A CORRELATION btw committee members meeting attendance and selection
A bakery owner would like to know how many cakes to sell for monthly profit to equal zero. Which analysis method should the owner perform Breakeven Cross over ANOVA T-test
Breakeven determine the minimum amount of revenue they need to cover their costs and achieve a net profit of zero.
#2) Why is a quantitative analysis important to the decision making process? A) It creates risk management dashboard B) It increases the experience of top management C) It provides metric-analysis surveys D) It examines and describes large data sets
D) It examines and describes large data sets
#17) A bakery owner expects to sell 50 cakes on Fridays, 65 cakes on Saturday, and 35 cakes each day the rest of the week. The owner tracks the number of cakes sold by day over the next week and performs chi-square analysis of the data. The calculated P value is less than 0.0001. What can the bakery owner conclude? A) There is a significant difference between weekend and weekday sales. The null hypothesis should be accepted B) There is significant difference between the P value and the chi-square value. The null hypothesis should be accepted C) There is a significant difference between observed cake sales for each day of the week. The null hypothesis should be rejected D) There is a significant difference between the observed and expected cake sale counts. The null hypothesis should be rejected
D) There is a significant difference between the observed and expected cake sale counts. The null hypothesis should be rejected
#35) An analyst used multiple linear regression to explore how a big box store's sales (y) are predicted by the store's advertising expenditure dollars (variable x1) and the advertising expenditure dollars of a specialty store (variable x2) in the same market. The estimated regression is y =651.57+92.30x1-26.89x2. How are advertising expenditures and sales related in this scenario? A. If the big box store increases its advertising expenditures, its sales will decrease. B. If the specialty store decreases its advertising expenditures, it will decrease the big box store's sales C. If the big box store decreases its advertising expenditures, It sales will increase D. If the specialty store increases its advertising expenditures, It will decrease the big box stores sales.
D. If the specialty store increases its advertising expenditures, It will decrease the big box stores sales.
71. Which input could be used to create and evaluate a process that would improve an organization's performance?
Data gathered from a customer survey Reason: when a customer use product or services provided by a Company and when customer provides feed back then it will be the most reliable evidence to know the performance of Company
#24) An electronics retailer was preseterm-71nted with in-store signage in two formats. Each branch of the store used the signage that matched its location and an analysis was performed to compare means on sales. Which type of variable do the sales represent? Criterion variable Target variable Independent variable Dependent variable
Dependent variable
47. which process is considered a statistical process control procedure?
Determining if the precision of a manufactured product is within a tolerable range
#28) A car dealership sells both new and used cars. The number of new cars sold on a given day ranges from 5 to 30 while the number of used cars sold ranges from 5 to 40. The number of used cars sold is manually exclusive to the number of new cars sold. Which statistic would be used to compare the number of new and used car sales on any given day? A) Chi-Square B) F-Statistic C) R-Square D) Z-Score
F-Statistic
Scatter diagram:
Graphs pairs of numerical data, one variable on each axis, to look for a relationship.
72. What is a disadvantage of a key performance indicator (KPI)?
It only accounts for quantitative measures. Reason: KPI only measures quantitative details not others like experience of an employee, etc.
74.What is an advantage of a balanced scorecard?
It requires minimal data. Reason: in this approach we always have a minimum data to analysis.
#27) A store owner wants to know the average sales for each day of the week. Which statistic is this store owner looking for? A) Median B) Variance C) Distribution D) Mean
Mean
#29). A spa wants to determine which duration of its massage packages is the most popular. The spa has 30-minute, 50-minute, and 75-minute sessions. Which statistical measure should be used and is less affected by outliers and skewed data? O Mean O Median O Standard deviation O Mode
Median
Which two statistics are NOT adversely influenced by outliers? Choose two answers? - Mean of a sample -Median of a sample -Interquartile range of a sample -Standard deviation of a sample
Median IQR (interquartile range)
51. How do a run chart and a control chart differ? O They are the same, except a run chart includes limits or constraints that a process should not exceed. O They are the same, except a control chart includes limits or constraints that a process should not exceed. O A run chart reveals trends in manufacturing problems over time, whereas a control chart is essentially a snapshot in time. O A control chart reveals trends in manufacturing problems over time, whereas a run chart is essentially a snapshot in time.
O A run chart reveals trends in manufacturing problems over time, whereas a control chart is essentially a snapshot in time.
44. Which process is considered a statistical process control procedure? O Forecasting future consumer demand for a new product O Evaluating consumer complaints about manufacturing defects O Aligning marketing strategy with manufacturing capabilities O Determining if the precision of a manufactured product is within a tolerable range
O Aligning marketing strategy with manufacturing capabilities O Evaluating consumer complaints about manufacturing defects O Determining if the precision of a manufactured product is within a tolerable range
57. What does prevalence measure when studying disease frequency? O Potential future cases of a disease O Only past cases of a disease O Only new cases of a disease O All existing cases of a disease
O All existing cases of a disease
52. What is a primary objective of the Six Sigma quality management system? O Establishing ISO 9000 standards for excellence O Providing an organizational roadmap for project managers and operations managers O Producing a balanced scorecard O Approaching perfection in manufacturing operations
O Approaching perfection in manufacturing operations
56. What does big data include? O Information that can be analyzed with spreadsheets O Both structured and unstructured data O Powerful extraction tools O Inferential statistics for large companies
O Both structured and unstructured data
49. Which tool is often referred to as a fishbone chart or diagram? O Cause-and-effect diagram O Histogram O Scatter diagram O Flowchart
O Cause-and-effect diagram
45. Which activity is enhanced by improving operational processes and identifying the root cause of problems? O Change management operations O Organizational performance O Corporate social responsibility O Compliance with industry standards
O Change management operations
54.(55) A firm seeks to sharply reduce sales lead times to enhance sales effectiveness and productivity. Which action should the firm take to accomplish this? O Increase the research and development budget O Prepare a media campaign O Deploy a customer relationship management tool O Implement additional quality assurance measures
O Implement additional quality assurance measures
59. Which analytic used in healthcare is calculated as a proportion of new cases compared to person-time units? O Incidence rate O Cumulative incidence O Morbidity rate O Prevalence
O Incidence rate
58 (60). A hospital is restructuring its business and administrative functions. Which component of service delivery could be analyzed with a data analytics approach to help determine whether the hospital is adequately staffed for each shift? O Staff education levels O Patient satisfaction levels O Patient-to-staff ratios O Staff productivity levels
O Patient-to-staff ratios
41. A company's marketing team tells an analyst that fewer customers are opening emails in the recent email campaign. The analyst interviews a few marketing coordinators and discovers changes were made to the email subject line between the last successful email campaign and the recent one. The analyst then uses a statistical technique to compare the email open rates for each campaign. Which step does the comparison of the email open rate represent in the plan-do-check-act cycle? O Check O Plan O Act O Do
O Plan
48. Which two types of graphs illustrate and analyze measurements or trends over time? Choose 2 answers. O Check sheet O Run chart OControl chart O Pareto chart
O Run chart O Control chart
53. An organization develops a new strategic plan and seeks ways to improve process performance by reducing variation to only 3.4 defects per million process outputs. Which tool can the organization use to meet this goal? O Linear programming O Statistical process control O Six Sigma O Just-in-time
O Six Sigma
47. How should Ishikawa's seven basic tools of quality be used? Choose 2 answers. O The tools should be used only by high-level managers and not by average workers. O The output from one tool can be used as another tool's input. O The tools make trends easy to recognize within only one graph. O The tools can be used in combination with each other.
O The output from one tool can be used as another tool's input. O The tools can be used in combination with each other.
50. How is a cause-and-effect diagram used? O As a financial risk calculation tool for a new product release O To brainstorm possible root causes for an intermittency problem O To assign blame for manufacturing problems O As a software tool to automatically generate a business process diagram
O To assign blame for manufacturing problems
#14 ) A patient satisfaction survey was cterm-89onducted at family practicterm-89e A. the average rating of online telemedicine visits was 4.5 out of 5. While in-person visits received a 3.0 out of 5. Which samples should be used to compare the ratings? a. Online family practices telemedicine visits and in-person family practice visits. b. Online ratings of other family practices and online ratings fall all family practice A visits c. Total family practice visits and online telemedicine visits d. Total family practice A visits and in-person visits
Online family practices telemedicine visits and in-person family practice visits.
#6) A student with a MASTERs degree is presumed to already have a BACHELOR's degree Which type of data does this represent Interval data Ordinal data Nominal data Ratio data
Ordinal data
#16) Which use of statistics would apply to employees? Determining financial interest rates Influencing future vendor prices Collaborating with competitors on wholesale pricing Predicting future levels of financial risk
Predicting future levels of financial risk
43. Which process is designed to proactively act before a problem occurs? O Quality control O Common cause variation activity O Quality assurance O Plan-do-check-act activity
Quality assurance is proactive.
#5) Which management strategy takes a LIFE CYCLE approach to measure performance and is built on a system of partnership and inclusiveness. Goals based management (GBM) Outcome based management (OBM) Results based management (RBM) Performance based management (PBM)
Results based management (RBM)
77. A professional services firm is undergoing a business process improvement exercise to improve productivity, staff morale, and client satisfaction. Management compensation will be tied specifically to improvement in productivity during the fiscal year. Which tool should be used to quantify a measurable standard to help the company track the productivity goal for the fiscal year?
Results-based management Results based management is the best method , became in this method every department of every persons individual results will be checked or identified, and on this basis payment of compensation should be made.
#63) SKIP- big ass chart
SKIP
A doctoral student is surveying chief executive officers (CEOs) to understand their levels of satisfaction with work life balance over a period of three years. The student receives responses to a survey with a question regarding how many hours a week each CEO works. Which statistical Approach should be used to display the data for analysis Bell curve Median Mean Scatterplot
Scatterplot the number of hours worked per week by CEOs and their levels of satisfaction with work-life balance. By plotting the data on a scatterplot, the researcher can examine the relationship between these two variables and look for any patterns or trends that emerge over the three-year period.
Pareto chart:
Shows on a bar graph which factors are more significant.
#25) Research data indicate 95% confidence in a study in which subjects who were shown a product advertisement exhibited brand awareness compared to a control group who did not see the advertisement. What can be concluded from this study? a. The advertisement was effective in building brand awareness b. Five percent of the subjects did not like the advertisement c. The advertisement was effective in increasing sales e. Ninety-five percent of the subjects liked the brand
The advertisement was effective in building brand awareness
Cause-and-effect diagrams (also known as fishbone diagrams or Ishikawa diagrams )
The cause-and-effect diagram can be used in following manner to manage the quality issues - There should be a problem statement that describes the problem accurately. Need to be to the point in the process. For each node, think all the possible causes and add them into the tree. Connect each casualty line back to its root cause. Connect relatively empty branches to others. If a branch is too bulky, consider splitting it in two.
#67. How is a cost-benefit analysis different in the public and private sectors? PUBLIC- BENEFIT PRIVATE COST
The public sector focuses almost exclusively on benefits, while the private sector focuses primarily on cost
#55 an organization develops a new strategic plan and seeks to improve process performance by reducing variation to only 3.1 defeats per million process outputs. Which tool can the organization use to meet this goal?
The six sigma tool
76. A major hospital system wants to improve its level of patient satisfaction. Management has recently asked patients to complete a survey as part of the discharge process. From this survey, a net promoter score is derived and tracked over time. What does a net promoter score reveal?
The strength of an organization's customer relations
75.What is the purpose of linking strategy to performance assessment in an organization?
To provide a target of where an organization needs or desires to be Strategy is el road map of success of a company. Performance shows that company is on right path or note.
#30) A NONPROFIT organization is determining which existing donors will donate again for a current campaign. The organization decides to look at its door database for all donors who have donated two or more times over the past 5 years. Which measure should be used to determine the probability of receiving a donation from an existing donor over time? a. Z-score b. F-statistic c. R-squared d. Median
Z-score
#26). A manager has been asked to evaluate the risk of loss for a new business strategy. The manager plots the results of several simulated projections to determine the likelihood of a result being a loss. Which statistics will transform different data to the same scale so that the manager can compare the projections? Z-score Mode Variance Median
Z-score transform different data to the same scale so that the manager can compare the projections
53. how do a run chart and control chart differ? a run chart is used to identify trends and patterns in data over time a control chart is used to determine if a process is in control and to identify special causes of variation, while
a run chart reveals trends in manufacturing problems overtime wheres a control chart is essentially a snapshot in time
#32) A normally distributed data index of vehicle safety ratings has a mean of 100 and a standard deviation of 15. What is the probability that a randomly selected vehicle safety score from the data set will be between 85 and 115? a. 68.3% b. 95.4% c. 99.7% d. 100%
a. 68.3%
54. what is the primary objective of the six sigma quality control management a. producing a balanced score card
a. producing a balanced score card
#12) When researchers are studying the effect of new drug treatments on patients, bias can be introduced by patients if they are aware of who receives the placebo. Which type of research design eliminates this type of bias? a. Observational study b. Blind study c. Time series study d. Prospective cohort study
b. Blind study
#13) What is true about outliers? Choose two answers a. All observed outliers should be eliminated from a study prior to analysis b. Outliers detected in a study are useful in determining if something does not belong in study c. All outliers are statistically significant when using a normal distribution d. Outliers that are miskeyed can be corrected prior to analysis
b. Outliers detected in a study are useful in determining if something does not belong in study c. All outliers are statistically significant when using a normal distribution
#20) a SCHOOL BOARD has nine voting members.five members need to be chosen each year for the finance committee. why should the combination technique be used when selecting committee members?
b. bc there is NOT a correlation btw committee member meeting attendance and selection
51. which tools are often referred to a fishbone chart or diagram? a. histogram b. cause - and - effect diagram c. scatter diagram d. flowchart
b. cause - and - effect diagram
#33) Which Healthcare analytics is calculated as a proportion of existing cases and new cases compared to the total population? a. morbidity rate b. incidence rate c. cumulative incidence d. prevalence
b. incidence rate
49. how does Ishikawa seven basic tools of quality be used. choose 2 answer choices. a. the tools make trends easier to recognize in one graph b. the tools can be used in combination with each other c. the output for one tool can be used as another tools input d. the tools should only be used by high level managers not by average workers
b. the tools can be used in combination with each other c. the output for one tool can be used as another tools input
#63) A major hospital system has been experiencing financial SETBACKS because it does not know how many beds are available at any given time. How should management use a key performance indicator (KPI) dashboard to resolve this problem? Choose 2 answers. By identifying and correcting past failures in the reporting of bed availability By gathering historical bed utilization data that can be displayed graphically in a histogram
both cases we analysing past data or past records to know the actual situation or availability or occupancy of beds in the hospital to know the actual situation.
#11) Why are experiments conducted using random sample populations? a. Because random sample populations ensure bias elimination b. Because studying an entire population is difficult and impractical c. Because the software to analyze entire populations is expensive d. Because entire population data have too many outliers
c. Because the software to analyze entire populations is expensive
69 A county government wants to start a cost-effective recycling program. How can the county apply data analytic approaches to attain this goal?
c. By aligning fund allocations with the number of department employees
A county government wants to start a cost-effective recycling program. How can the county apply data analytic approaches to attain this goal? a. By conducting best practices research regarding audit performance b. By benchmarking similar strategies of other counties c. By aligning fund allocations with the number of department employees d. By analyzing budgetary impacts of county contracts
c. By aligning fund allocations with the number of department employees
A digital marketing manager wants to determine whether conversion rates from the company's latest email campaign are about the same as the industry average or significantly different. Which statistical concept should be used to measure the data set? a. Bell curve b. Median c. Mean d. Standard deviation
c. Mean
50. which two types of graphs analyze measurements or trends over time a. paretto chart b. check sheet c. control chart d. Run chart
c. control chart d. run chart
#18) A researcher notes that people who exercise daily tend to sleep better. The researcher then asks subjects to keep a sleep diary and record the number of hours they sleep each night. Some diaries have few entries, but the subjects claim they are well rested. Which type of error is represented in this research? Response bias lack of blinding conscious bias cause and effect confusion
cause and effect confusion
which two types of graphs illustrate and analyze measurements or trends over time?
control chart run chart
#15) A laboratory uses a graduated cylinder to measure liquid volume in metric units. Which type of experimental design is this laboratory implementing? a. Qualitative research b. Precision research c. Development research d. Quantitative research
d. Quantitative research
#8) which two tools make it easier to detect out-of-range error? experimental studies relational database observational studies spreadsheets
experimental studies spreadsheets
Standard deviation
is resistant to outliers and skewed data.
46. How does 6 sigma relate to a firms application of a sipoc diagram
it is EQUIVALENT to linear programming
70. A hospital wants to increase revenue by performing more surgeries each day. This can be accomplished by reducing the turnaround time between surgeries in operating rooms. What is this objective an example of?
key performance indicator surgery is a Kay performance in a hospital, this is a major source of income For an hospital.
control chart / run chart
measures measurements over time
#61) Which analytics used in healthcare is calculated as a proportion of new cases compared to person-time units? cumulative incidence morbidity rate prevalence incidence rate
morbidity rate
48. which activity is enhanced by improving operational process and identifying the root cause of problems?
organizational PERFORMANCE
60. a hospital is restructuring its business and administrative functions. Which component of service delivery could be analyzed with a data analytics approach to help determine whether the hospital is adequately staffed for each shift?
patient to staff ratios
#4) which type of analytics classification uses experimental design and optimization to suggest a course of action? predictive analytics prescriptive analytics descriptive analytics diagnostic analytics
prescriptive analytics
SIX Sigma
quality teams apply quality control concepts to improvement of processing quality
92 % 95% 98%
reliability
Graphs pairs of numerical data, one variable on each axis, to look for a relationship.
technique that separates data gathered from a variety of sources so that patterns can be seen (some lists replace
#31) A sample of 1,020 people was asked how many minutes they exercise on a typical day. The data were plotted and determined to be normally distributed with a mean of 36.75 minutes. Which boxplot correctly graphs this data?
the median is in the middle of the box and whiskers are almost same on the both sides of the box = normally distributed data.
#19) A researcher wants to estimate the average wholesale price of a gallon of gas in the United States. Several; gas stations owners along the East Coast are asked what price they pay wholesale for a gallon of gas. The researcher then averages these values for the sample mean price of a gallon of gas. Which problem would be discovered if the researcher's work were evaluated? there is faulty operationalization in the data collection there is conscious bias in the data the sample data are not representative of the population there is response bias in the data
there is response bias in the data
#10) What are random errors caused by ? respondents favoring certain outcomes unpredictable fluctuations in readings An instrument that needs calibration biased data
unpredictable fluctuations in readings
control chart
unwanted product variations
#23) which element is associated with control charts hypothesis testing correlation upper and lower limits probability index
upper and lower limits
a manager has been asked to evaluate the risk of loss for a new business strategy. the manager plots the results of several stimulated projected to determine the likelihood that the result is a loss. Which data set would median mode variance z score
z score
#9) An analyst creates a scatterplot of a company's monthly sales such that the sales are on the vertical y-aixs and the month is on the horizontal x-axis. The scatterplot shows close to perfect, positive linear relationship. Which time series pattern ill the monthly sales data exhibit? •Seasonal •Trend •Cyclical •Irregular
•Cyclical
