Updated Aug-2026 Pass Data-Driven-Decision-Making Exam – Real Practice Test Questions [Q17-Q38]

4/5 - (1 vote)

Updated Aug-2026 Pass Data-Driven-Decision-Making Exam – Real Practice Test Questions

Download Free WGU Data-Driven-Decision-Making Real Exam Questions

QUESTION 17
How should a marketing consulting firm perform a cluster analysis for a new granola bar?

Determine the reasons for consumer granola bar purchases

Determine the different segments or groups to target

Determine competitor benchmarks and forecasts for comparison

Determine whether there are any granola bar sales trends

QUESTION 18
A county government wants to start a cost-effective recycling program. How can the county apply data analytic approaches to attain this goal?

By analyzing budgetary impacts of county contracts

By aligning fund allocations with the number of department employees

By benchmarking similar strategies of other counties

By conducting best practices research regarding audit performance

QUESTION 19
Why are sample sizes important for ensuring statistical significance?

So that accurate conclusions can be confidently applied to larger populations

So that the possibility of researcher bias is eliminated

So that a hypothesis cannot be misinterpreted

So that no additional analysis is required

QUESTION 20
Which use of statistics would apply to employees?

Influencing future vendor prices

Comparing with competitors on wholesale pricing

Predicting future levels of financial risk

Determining financial interest rates

QUESTION 21
What are random errors caused by?

Respondents favoring certain outcomes

Unpredictable fluctuations in readings

Biased data

An instrument that needs calibration

QUESTION 22
What happens when an organization focuses on customers?

It ensures consistency and efficiency among organization-wide activities.

It reduces bias and fosters trust in decisions and plans.

It leads to an increase in revenue and market share.

It decreases costs for the organization and its suppliers.

QUESTION 23
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?

Median

Bell curve

Standard deviation

Mean

QUESTION 24
Which graphical display is used to examine the distribution of a data set with quartiles?

Bivariate chart

Scatterplot

Boxplot

Pareto chart

QUESTION 25
A 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 R-squared value is 0.10.

The R-squared value is 0.90.

The p-value for the regression coefficient is 0.50.

The p-value for the regression coefficient is 1.

QUESTION 26
For which situation could a scatter diagram be used?

Demonstrating a visual precedence of a prioritization matrix

Demonstrating a relationship between variables

Demonstrating a significant difference between the frequencies of two groups of data

Demonstrating a significant difference between the means of two groups of data

QUESTION 27
Which process is designed to proactively prevent a problem?

Common cause variation activity

Quality control

Quality assurance

Plan-do-check-act activity

QUESTION 28
The daily sales from a salon are normally distributed with a mean of $1,500 and a standard deviation of $250.
The salon owner notices that sales were $750 on a particular day.
Why should the owner be concerned about sales based on this scenario?

Sales of $750 are within three standard deviations of the mean.

Sales of $750 are two standard deviations of the mean.

Sales of $750 are outside three standard deviations of the mean.

Sales of $750 are within two standard deviations of the mean.

QUESTION 29
Why are experiments conducted using random sample populations?

Because studying an entire population is difficult and impractical.

Because entire population data have too many outliers.

Because the software to analyze entire populations is expensive.

Because random sample populations ensure bias elimination.

QUESTION 30
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?

Five percent of the subjects did not like the advertisement.

The advertisement was effective in building brand awareness.

The advertisement was effective in increasing sales.

Ninety-five percent of the subjects liked the brand.

QUESTION 31
What does big data include?

Both structured and unstructured data

Information that can be analyzed with spreadsheets

Powerful extraction tools

Inferential statistics for large companies

QUESTION 32
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 earlier 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?

Act

Plan

Check

QUESTION 33
What are two qualities of key performance indicators (KPIs)?
Choose 2 answers.

They are flexible and easily changed.

They can be used as a tool for internal benchmarking.

They require little to no ongoing maintenance.

They often follow SMART criteria.

QUESTION 34
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?

ANOVA

Break-even

Crossover

T-test

QUESTION 35
A student with a degree is presumed to already have a bachelor’s degree. Which type of data does this represent?

Interval data

Nominal data

Ordinal data

Ratio data

QUESTION 36
A retail manager collected the following sales-receipt totals from the store’s cashiers:
$25, $22, $48, $42, $32, $28, $24, $54, $34, $41, $48
What is the median of this sales-receipt data?

$25

$34

$41

$48

QUESTION 37
A county government must increase trust among voters that their tallying machines are accurately calibrated to count their votes. Each department is tasked with creating an online marketing campaign; however, the budget for these campaigns is limited.
How can the county apply data analytic approaches to allocate funds to each department?

By measuring the number of voter complaints per department

By benchmarking the voter turnout rates in each county

By surveying the county controllers

By surveying employees on polling strategies

QUESTION 38
Which tool is often referred to as a fishbone chart or diagram?

Histogram

Flowchart

Cause-and-effect diagram

Scatter diagram