C207 PreAssessment

b. Histogram

A check sheet indicates that of 100 returned items, 50 were damaged upon delivery, 30 were the wrong size, 10 were of poor quality, 5 were a mistaken order, and 5 were returned due to the customer no longer wanting the item. What is the appropriate way to represent these data? a. construct a control chart b. construct a cause-and-effect diagram c. construct a Pareto chart d. construct a flow chare

d. Run Chart

A college is reviewing statistics concerning student retention. the college would like to determine the most important factors that caused students to leave & asks the researcher to display this information using one of the 7 Basic Tools of quality. Which tool should be used by used in this case? a. Flow chart b. Histogram c. Run Chart d. Pareto Chart

c. construct a Pareto chart

A hotel is interested in improving its customer sercie by reducing the amount of time it takes customers to chek in. which analysis technique should they use? a. tree diagram b. matrix diagram c. flowchart d. network diagram

c. balanced scorecard

Which two items represent steps of results-based mgmt? (2) [] develop four performance perspectives [] develop control charts [] study the long-term effects of the output [] define resource

a company is trying to increase its online sales revenue by improving its e-mail advertising campaign for repeat customers as well as new customers. which 2 variables would be used in determining a campaign to maximize revenue gain? (2) [] Number of purchases per email [] e-mail content [] cost per e-mail [] spending per purchase

[] Number of purchases per email [] cost per e-mail

a manager of a call center is in charge of creating a staffing plan. the number of calls received per day is normally distributed. which 2 statistics would be needed in order to estimate the number of calls that would be received 95% of the time? (2) [] mean [] interquartile range [] median [] standard deviation

[] interquartile range [] median

in what two ways are KPI dashboards useful in performance assessment? (2) [] they are visual representations of key areas of focus [] they show trends that represent organizational results over time [] they inform mgrs on competitors [] they tell mgrs how to write actions plan

[] they are visual representations of key areas of focus [] they show trends that represent organizational results over time

a. to measure the spread of the data

a doctoral student is surveying CEOs to understand their relationships with their governing boards. the student determines the years of business experience for each CEO as well as their rating, on a 10-point scale, of satisfaction with the governing board. which statistical approach should be used to display the data for analysis? a. scatter plot b. mean c. median d. bell curve

a. weighted least squares regression

a doctoral student is surveying CEOs to understand their relationships with their governing boards. the student receives responses to a survey w/ 10 questions that rates the respective relationships. why would the student measure the SD of response? a. to measure the spread of the data b. to determine if the data is nonlinear c. to understand the midpoint location of the data d. to create a bell curve

d. focuses on training

a joint venture is established between 2 firms to use their core competencies to increase market share. how would a SIPOC diagram benefit the joint venture? a. it provides a holistic view of the entire operation b. it measures client satisfaction c. it tracks financial performance d. it logs production errors

b. attribute data

a soft-drink manufacturer performs a control charge analysis & the results indicate the soft drink bottles are consistently under-filled by a large amount according to specifications. the system was evaluated 3 months prior & was determined to be stable & filling bottles within accepted limits. what is the consistent under-filling an example of? a. special cause variation b. incapable process c. common cause variation d. subjective cause variation

the average test score of students taking an exam was 70% with a SD of 8.5%. which tool should be used to compare a student's score to the group average? a. Zscore b. linear programming c. correlation d. regression

a. Zscore

a healthcare study follows a particular sample over time to identify how the health habits of teenagers impact their likelihood of acquiring various diseases later in their life in the hope that the healthcare organization will be able to create early prevention programs. which type of research design does this study describe? a. cohort study b. double blind study c. experimental study d. systematic study

a. cohort study

a national manufacturer is building an overseas factory to be closer to one of its largest markets. which analysis technique would be appropriate when evaluating location options under risk in order to strengthen the firms's competitiveness in the new market? a. developing a decision tree b. developing a network diagram c. developing a draw flow diagram d. developing a run chart

a. developing a decision tree

what is a disadvantage of a balanced scorecard? a. it requires significant time & effort to established a meaningful scorecard b. it has difficulty linking an organization's operations with its strategy c. it can weaken internal & external communication d. it weakens organizational alignment

a. it requires significant time & effort to established a meaningful scorecard

a professional services firm is undergoing a business process improvement exercise to improve productivity, staff morale, and client satisfaction. which technique might the firm use to evaluate the strength of customer service relations? a. net promoter score b. balanced scorecard c. results-based mgmt d. KPI dashboard

a. net promoter score

which graphical tool is used to illustrate a possible relationship or correlation between 2 variables? a. scatterplot b. histogram c. run chart d. box plot

a. scatterplot

a retail store notices a spike in turkey sales every November. Which time series patter are turkey sales likely to exhibit? a. seasonality b. cyclicality c. white noise d. trend

a. seasonality

a mgr uses a linear regression to examine how the store's retail sales are predicted by advertising expenditures. what will retail sales represent in this regression? a. the dependent variable b. the independent variable c. the predictor variable d. the control variable

a. the dependent variable

an advertising mgr creates a research study by presenting low, medium, or high frequency of the same ad in matched markets. the mgr then reports on sales in each market location. what is the term for the different sales in this study? a. the response variable b. the intervention c. the treatment d. the experiment unit

a. the response variable

What is a significant disadvantage of KPIs? a. they require significant ongoing maintenance b. they cannot be used for internal benchmarking c. they cannot be connected to external databases d. they do not offer data-driven results

a. they require significant ongoing maintenance

b. lean operations

an organization develops a new strategic plan & seeks ways to measure its performance over a specific period of time. which system enables the organization to measure performance based upon established global standards? a. the value chain b. six sigma c. Balanced Scorecared d. ISO

[] it enhances customer loyalty [] it ensure a systems appraoch

an organization is concerned about whether quality control standards are being met & develops a strategy to test quality control metrics. which step does this represent in the Plan-Do-Check-Act cycle? a. check b. act c. plan d. do

how can organizations implement an effective performance mgmt evaluation system? a. by studying trends in mgmt evaluation b. by establishing a balanced scorecard c. by surveying employees about mgmt d. by benchmarking against other organizations

b. by establishing a balanced scorecard

which type of data are the olympic medals of gold, silver, and bronze examples of? a. ratio data b. ordinal data c. interval data d. nominal data

b. ordinal data

a research study examined the impact of product advertisement exposure on that product's brand awareness. the appropriate statistical test indicates that the null hypothesis should be rejected with 95% confidence. what can be concluded from this study? a. 5% of the subjects did not like the advertisement b. the advertisement was effective in building brand awareness c. 95% of the subjects like the brand d. the advertisement was effective in increasing sales

c. 95% of the subjects like the brand

a non profit organization ran an e-mail campaign with three different messages to solicit additional donations. what should the non profit organization use to determine if the average donation differs for the different messages? a. median b. mean c. ANOVA d. T-test

c. ANOVA

In the month of Dec, there is a strong positive correlation between airline ticket sales & retail sales. which question should the researcher consider before concluding that the correlation statistic implies that airline sales drive retail sales? a. is the sample size large enough b. are the data biased c. does a casual relationship truly exist d. does the sample accurately reflect the population

c. does a casual relationship truly exist

a professional services firm wants to track & monitor important financial performance measures of the company (e.g. year-over-year change in revenues and profits). which performance approach would best meet the company's objective? a. true score method b. incidence rate c. results-based mgmt d. net promoter score

c. results-based mgmt

what does it mean when an individual data paint has a z-score of -2? a. the data point is greater than the mean of the data set b. the data point is equal to the mean of the data set c. the data point is is two SD less than the mean of the data set d. the sample SD of the data set is negative

c. the data point is is two SD less than the mean of the data set

given the following set: 9 12 14 10 8 11 12 what is the mode? a. 8 b. 9 c. 11 d. 12

d. 12

how do balanced scorecards differ from KPI dashboards? a. balanced scorecards include a mix of financial & nonfinancial measures b. KPI dashboards provide visual representations, such as charts & graphs of KPIs c. balanced scorecards are better to use for graphical or visual representations than KPI dashboards d. KPI dashboards improve organizational alignment

d. KPI dashboards improve organizational alignment

Which common analytic measure is used to improve business performance? a. based period index b. simple composite index c. consumer price index d. SIPOC index

d. SIPOC index

a hardware store has found that there is a .25 probability that a customer buys an electrical product, a .45 probability that a customer buys a plumbing product and a .10 probability that a customer buys an electrical part if they purchase a plumbing part. given this info., which statistical rule can be used to determine the probability that a customer buys a plumbing product given that this customer has purchased an electrical product? a. multiplication b. conditional probability c. combination d. bayes' theorem

d. bayes' theorem

a country government must reduce spending. it wishes to eliminate incremental budgeting and align budget allocations with each of its units' strategic business objectives. how can the country apply data analytic approaches to attain this goal? a. by surveying employees on strategy matters b. by measuring number of voter complaints per dept c. by surveying the country controllers d. by benchmarking like strategies of successful counties

d. by benchmarking like strategies of successful counties

a county government wishes to convert government vehicles from gasoline to natural gas. how can the county evaluate the effectiveness of the conversion? a. by aligning fund allocations with number of departmental employees b. by conducting best practices research regarding audit performance c. by analyzing budgetary impacts of county contracts d. by estimating the payback period

d. by estimating the payback period

A research concludes that bananas create healthy children becasue the researcher's notes indicate that children who eat a banana every day are healthy. Which misuse of statistics would this study be an example of it these children also eat a balanced diet & exercise daily? a. faulty operationalization b. unfounded assumptions c. lack of blinding d. confusion of association & causality

d. confusion of association & causality

what is the most important analytic to determine the success or failure of a particular year's flue vaccine? a. cost/benefit comparing the advantages & disadvantages b. number of persons who did not get the flu vaccine c. consumer satisfaction survey of all existing cases d. incidence accounting for all new cases

d. incidence accounting for all new cases

what is true of cost-effective analysis? a. it analyzes the cost of intangible assets b. it balances a government budget c. it is often used in the private but not the public sector d. it analyzes the cost of achieving a quantifiable goal

d. it analyzes the cost of achieving a quantifiable goal

what is a description of data mining? a. it identifies casual relationships in large data sets b. it is typically performed in extraction industries c. it evaluates the validity of data extraction d. it discovers patterns or trends in large data sets

d. it discovers patterns or trends in large data sets

a mgr is analyzing a dataset that includes information on individual incomes. the mgr knows that the dataset is fairly representative of the general population & includes several millionaires. based on this dataset, which measure of central tendency best represents the middle of the distribution? a. frequency b. median c. mode d. mean

d. mean

after evaluating manufacturing times for a particular product, a mgr determines that the times are spread out across the distribution. the mgr has been asked to determine how far on average the time is from the mean. which statistical roughly measures the average distance of a data point from the mean of the distribution? a. arithmetic mean b. median c. mode d. standard deviation

d. standard deviation

which key performance indicator can a hotel chain used to measure its ability to meet client tastes and preferences? a. benchmarking other hotel chains' best practices b. analyzing national data on tourism for length of stay c. surveying staff members for customer service recommendations d. surveying customer satisfaction upon checkout

d. surveying customer satisfaction upon checkout

what does True Score Theory state about a test without systematic error? a. the observed score is the true score plus random error b. the observed score contains no random errors c. the observed score contains no error d. the observed score is the true score

d. the observed score is the true score

a. it provides a holistic view of the entire operation

in a statistical process control analysis, sample data are collected from an assembly line & measured to see if they fall within a tolerated measurement range. if an observation does fall within the range, a "yes" is recorded, and if it falls outside the range, a "no" is recorded. Which kind of data do the "yes" and "no" represent. a. variable data b. attribute data c. big data d. biased data

a. scatter plot

which 2 decision consideration describe fact-based decision making according to the quality mgmt principles? (2) [] decisions use diversity of experience [] decisions reduce external bias [] decisions have marginal effect on relationships with suppliers [] decisions foster trust in plans

c. flowchart

which approach focuses on eliminating activities that do not add value or satisfy customers? a. six sigma b. lean operations c. international organization of Standardization (ISO) cert. d. design for six sigma

c. Balanced Scorecared

which approach uses financial, customer, internal business processes, and innovation/learning measures? a. key performance indicators b. mgmt by objectives c. balanced scorecard d. results-based mgmt

a. special cause variation

which of Ishikawa's 7 Basic Tools of Quality is used to illustrate performance measurements over time? a. Cause & effect diagram b. Flowchart c. Control chart d. Run Chart

a. check

which phrase is a description of quality assurance? a. can be replaced by quality control activities b. reactive & casual c. recommends corrective action d. focuses on training

[] decisions reduce external bias [] decisions foster trust in plans

which two statements describe how the dedication of leadership & a focus on process enhance quality? (2) [] it ensures clearly aligned goals [] it enhances customer loyalty [] it makes results easier to manage & achieve [] it ensure a systems appraoch