WGU C207 Pre Assessment Study Guide
Questions and Answers Updated
2026/2027 Version | Verified Answers
1. A nonprofit organization ran an email campaign with THREE DIFFERENT
MESSAGES to solicit additional donations. What should the nonprofit
organization use to determine if the average donation differs for the different
messages? - ANSWER ✅ ANOVA (for three or more groups!!)
2. What two statistics would be needed to estimate the number of calls that
would be received 95% of the time? - ANSWER ✅ 1. Standard deviation
Mean
3. Linear regressions represent what types of variables? - ANSWER ✅
Dependent variables
4. What is a particular concern when performing TIME series multiple
regressions? - ANSWER ✅ Autocorrelation
5. A researcher wants to predict student test scores based on hours spent
studying. Which type of regression would be more appropriate? - ANSWER
✅ Ordinary least squares regression
6. Why would a student measure the standard deviation of responses? -
ANSWER ✅ To measure the spread of the data. Standard deviation always
measures the spread of data.
, 7. Which two decision considerations describe fact-based decision making,
according to the quality management principles?
Choose 2 answers - ANSWER ✅ 1. Decisions reduce external bias.
2. Decisions foster trust in plans.
8. How do the deviation of leadership and a focus on process enhance quality?
(2 answers) - ANSWER ✅ It ensures clearly aligned goals. It makes results
easier to manage and achieve.
9. Which phrase is a description of quality assurance? - ANSWER ✅ Focuses
on training
10.How would a SIPOC diagram benefit a business? - ANSWER ✅ Provides a
holistic view of the entire operation
11.What kind of data is "yes" and "no" from sample data? - ANSWER ✅
Attribute data
12.Which of Ishikawa's Seven Basic Tools of Quality is used to illustrate
performance measurements over time? - ANSWER ✅ Run Chart
13.Why would you use a control chart over a Pareto chart? - ANSWER ✅ A
control chart shows special cause variations. A Pareto chart shows frequency
or cost (time/money)
14.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? - ANSWER ✅ Flowchart
Questions and Answers Updated
2026/2027 Version | Verified Answers
1. A nonprofit organization ran an email campaign with THREE DIFFERENT
MESSAGES to solicit additional donations. What should the nonprofit
organization use to determine if the average donation differs for the different
messages? - ANSWER ✅ ANOVA (for three or more groups!!)
2. What two statistics would be needed to estimate the number of calls that
would be received 95% of the time? - ANSWER ✅ 1. Standard deviation
Mean
3. Linear regressions represent what types of variables? - ANSWER ✅
Dependent variables
4. What is a particular concern when performing TIME series multiple
regressions? - ANSWER ✅ Autocorrelation
5. A researcher wants to predict student test scores based on hours spent
studying. Which type of regression would be more appropriate? - ANSWER
✅ Ordinary least squares regression
6. Why would a student measure the standard deviation of responses? -
ANSWER ✅ To measure the spread of the data. Standard deviation always
measures the spread of data.
, 7. Which two decision considerations describe fact-based decision making,
according to the quality management principles?
Choose 2 answers - ANSWER ✅ 1. Decisions reduce external bias.
2. Decisions foster trust in plans.
8. How do the deviation of leadership and a focus on process enhance quality?
(2 answers) - ANSWER ✅ It ensures clearly aligned goals. It makes results
easier to manage and achieve.
9. Which phrase is a description of quality assurance? - ANSWER ✅ Focuses
on training
10.How would a SIPOC diagram benefit a business? - ANSWER ✅ Provides a
holistic view of the entire operation
11.What kind of data is "yes" and "no" from sample data? - ANSWER ✅
Attribute data
12.Which of Ishikawa's Seven Basic Tools of Quality is used to illustrate
performance measurements over time? - ANSWER ✅ Run Chart
13.Why would you use a control chart over a Pareto chart? - ANSWER ✅ A
control chart shows special cause variations. A Pareto chart shows frequency
or cost (time/money)
14.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? - ANSWER ✅ Flowchart
