WGU C207 Data Driven Decision Making
OBJECTIVE ASSESSMENT Latest
Questions and Answers (Verified Answers)
1. 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 Pareto chart
C. Construct a cause-and-effect diagram
D. Construct a flow chart
Answer: B
2. A college is reviewing statistics concerning student retention. The college would
like to determine the most important factors that cause students to leave and asks
the researcher to display this information using one of the Seven Basic Tools of
Quality. Which tool should be used?
A. Histogram
B. Run chart
C. Flow chart
D. Pareto chart
Answer: D
3. A company decides to auction excess inventory on an auction website. They have
performed a regression analysis to identify how the length of the auction impacts the
final price. Which statistic indicates the strength of the relationship between the
length of auctions and final price?
A. R-squared
B. Z-score
C. P-value
D. F-statistic
,Answer: A
4. 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 two
variables would be used in determining a campaign to maximize revenue gain?
A. Number of purchases per e-mail
B. E-mail content
C. Spending per purchase
D. Cost per e-mail
Answer: A and C
5. A county 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 county apply data analytic approaches to attain this goal?
A. By benchmarking like strategies of successful counties
B. By measuring number of voter complaints per department
C. By surveying the county controllers
D. By surveying employees on strategy matters
Answer: A
6. 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 estimating the payback period
B. By analyzing budgetary impacts of county contracts
C. By aligning fund allocations with number of departmental employees
D. By conducting best practices research regarding audit performance
Answer: A
7. 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. Median
,C. Bell curve
D. Mean
Answer: A
8. A doctoral student is surveying CEOs to understand their relationships with their
governing boards. The student receives responses to a survey with ten questions
that rates the respective relationships. Why would the student measure the standard
deviation of responses?
A. To create a bell curve
B. To measure the spread of the data
C. To determine if the data is nonlinear
D. To understand the midpoint location of the data
Answer: B
9. A hardware store has found that there is a 0.25 probability that a customer buys
an electrical product, a 0.45 probability that a customer buys a plumbing product,
and a 0.10 probability that a customer buys an electrical part if they purchase a
plumbing part. 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. Bayes' Theorem
B. Multiplication
C. Combination
D. Conditional probability
Answer: A
10. 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. Which type of research design does this study describe?
A. Double blind study
B. Systematic study
C. Cohort study
D. Experimental study
, Answer: C
11. A hotel chain is interested in improving its customer service by reducing the
amount of time it takes customers to check in. Which analysis technique should they
use?
A. Flowchart
B. Tree diagram
C. Network diagram
D. Matrix diagram
Answer: A
12. A joint venture is established between two firms to use their core competencies
to increase their market share. How would a SIPOC diagram benefit the joint
venture?
A. It tracks financial performance
B. It logs production errors
C. It provides a holistic view of the entire operation
D. It measures client satisfaction
Answer: C
13. A manager is analyzing a dataset that includes information on individual
incomes. The dataset is fairly representative of the general population and includes
several millionaires. Which measure of central tendency best represents the middle
of the distribution?
A. Mean
B. Median
C. Frequency
D. Mode
Answer: B
14. 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 two statistics would be needed
in order to estimate the number of calls that would be received 95% of the time?
A. Standard deviation
OBJECTIVE ASSESSMENT Latest
Questions and Answers (Verified Answers)
1. 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 Pareto chart
C. Construct a cause-and-effect diagram
D. Construct a flow chart
Answer: B
2. A college is reviewing statistics concerning student retention. The college would
like to determine the most important factors that cause students to leave and asks
the researcher to display this information using one of the Seven Basic Tools of
Quality. Which tool should be used?
A. Histogram
B. Run chart
C. Flow chart
D. Pareto chart
Answer: D
3. A company decides to auction excess inventory on an auction website. They have
performed a regression analysis to identify how the length of the auction impacts the
final price. Which statistic indicates the strength of the relationship between the
length of auctions and final price?
A. R-squared
B. Z-score
C. P-value
D. F-statistic
,Answer: A
4. 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 two
variables would be used in determining a campaign to maximize revenue gain?
A. Number of purchases per e-mail
B. E-mail content
C. Spending per purchase
D. Cost per e-mail
Answer: A and C
5. A county 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 county apply data analytic approaches to attain this goal?
A. By benchmarking like strategies of successful counties
B. By measuring number of voter complaints per department
C. By surveying the county controllers
D. By surveying employees on strategy matters
Answer: A
6. 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 estimating the payback period
B. By analyzing budgetary impacts of county contracts
C. By aligning fund allocations with number of departmental employees
D. By conducting best practices research regarding audit performance
Answer: A
7. 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. Median
,C. Bell curve
D. Mean
Answer: A
8. A doctoral student is surveying CEOs to understand their relationships with their
governing boards. The student receives responses to a survey with ten questions
that rates the respective relationships. Why would the student measure the standard
deviation of responses?
A. To create a bell curve
B. To measure the spread of the data
C. To determine if the data is nonlinear
D. To understand the midpoint location of the data
Answer: B
9. A hardware store has found that there is a 0.25 probability that a customer buys
an electrical product, a 0.45 probability that a customer buys a plumbing product,
and a 0.10 probability that a customer buys an electrical part if they purchase a
plumbing part. 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. Bayes' Theorem
B. Multiplication
C. Combination
D. Conditional probability
Answer: A
10. 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. Which type of research design does this study describe?
A. Double blind study
B. Systematic study
C. Cohort study
D. Experimental study
, Answer: C
11. A hotel chain is interested in improving its customer service by reducing the
amount of time it takes customers to check in. Which analysis technique should they
use?
A. Flowchart
B. Tree diagram
C. Network diagram
D. Matrix diagram
Answer: A
12. A joint venture is established between two firms to use their core competencies
to increase their market share. How would a SIPOC diagram benefit the joint
venture?
A. It tracks financial performance
B. It logs production errors
C. It provides a holistic view of the entire operation
D. It measures client satisfaction
Answer: C
13. A manager is analyzing a dataset that includes information on individual
incomes. The dataset is fairly representative of the general population and includes
several millionaires. Which measure of central tendency best represents the middle
of the distribution?
A. Mean
B. Median
C. Frequency
D. Mode
Answer: B
14. 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 two statistics would be needed
in order to estimate the number of calls that would be received 95% of the time?
A. Standard deviation
