Chapter 2 QUIZ (Business Analytics)

The data storage component of a business reporting system builds that various reports and hosts them for, or disseminates to users. It also provides notification, annotation, collaboration, and other services.

False

To respond to its market challenges, SiriusXM decided to focus on manufacturing efficiency

False

Data is the main ingredient for any BI, data science, and business analytics initiative.

True

In the FEMA case study, the BureauNet software was the primary reason behind the increased speed and relevance of the reports FEMA employees received.

True

Interval data are variables that can be measured on interval scales

True

One of SiriusXM's challenges was tracking potential customers when cars were sold.

True

Predictive algorithms generally require a flat file with a target variable, so making data analytics ready for prediction means that data sets must be transformed into a flat-file format and made ready for ingestion those predictive algorithms.

True

Structured data is what data mining algorithms use and can be classified as categorical or numeric

True

When you tell a story in a presentation, all of the following are true EXCEPT

a well-told story should have no need for subsequent discussion

Kaplan and Norton developed a report that presents an integrated view of success in the organization called

balanced scorecard-type reports.

This plot is a graphical illustration of several descriptive statistics about a given data set.

box-and-whiskers plot

This technique makes no a priori assumption of whether one variable is dependent on the other(s) and is not concerned with the relationship between variable; instead it gives an estimate on the degree of association between the variables.

correlation

Which of the following is LEAST related to data/information visualization

graphic artwork

Key performance indicators (KPIs) are metrics typically used to measure

internal results

Which type of visualization tool can be very helpful when the intention is to show relative proportions of dollars per department allocated by a university administration?

pie chart

Dashboards can be presented at all the following levels EXCEPT

the visual cube level

Contextual metadata for a dashboard includes all the following EXCEPT

which operating system is running the dashboard server software.

Which kind of chart is described as an enhanced version of a scatter plot?

bubble chart

What is the management feature of a dashboard?

operational data that identify what actions to take to resolve a problem

In the Dallas Cowboys case study, the focus was on using data analytics to decide which players would play every week.

False

Nominal data represent the labels of multiple classes used to divide a variable into specific groups.

False

This measure of dispersion is calculated by simply taking the square root of the variations/\.

Standard deviation

There are basic chart types and specialized chart types. A Gantt chart is a specialized chart type.

True

Visualization differs from traditional charts and graphs in complexity of data sets and use of multiple dimensions and measures.

True

Which type of question does visual analytics seeks to answer?

What is it happening

Dashboards provide visual displays of important information that is consolidated and arranged across several screens to maintain data order.

False

Data source reliability means that data are correct and are a good match for the analytics problems.

False

Visual analytics is aimed at answering, "What is it happening?" and is usually associated with business analytics.

False

When telling a story during a presentation, it is best to avoid describing hurdles that your character must overcome, to avoid souring the mood.

False

Data accessibility means that data are easily and readily obtainable

True

Descriptive statistics is all about describing the sample data on hand

True

Google Maps has set new standards for data visualization with its intuitive Web mapping software.

True

This measure of central tendency is the sum of all the values/observations divided by the number of observations in the data set.

arithmetic mean

Which characteristic of data requires that the variables and values be defined at the lowest (or a as low as required) level of detail for the intended use of the data

data granularity

Which characteristics of data means that all the required data elements are included in the data set

data richness

What is the fundamental challenge of dashboard design?

ensuring that the required information is shown clearly on a single screen

Which type of visualization tool can be very helpful when a data set contains location data?

geographic map

The Internet emerged as a new medium for visualization and brought all the following EXCEPT

new forms of computation of business logic.

Data is the contextualization of information, that is, information set in context.

False

Benefits of the latest visual analytics tools, such as SAS Visual Analytics, include all of the following EXCEPT

they explore massive amounts of data in hours, not days.