WGU C207 Data-Driven Decision-Making OA Exam
Actual Questions and Verified Answers
100% Correct| Already Grade A
1. 1. Analytics is a broad term that refers to a variety of tools that inform
managerial decisions.
Which term can be used to describe managerial decisions?
O Descriptive
O Pareto chart
O Biased
O Prescriptive
Ans>> O Prescriptive
2. 2. What are two reasons for the increasing use of analytics in organizational
decision making? Choose 2 answers.
O Higher computer processing power
O Higher cost of obtaining data
O Relatively lower cost of computer storage
O Lower availability of statistical experts
Ans>> O Higher computer processing powerO Relatively lower cost of computer
storage
,3. 3. How does probability theory inform decision-making for managers?
O By quantifying costs
O By quantifying quality
O By quantifying risk
O By quantifying data
Ans>> O By quantifying risk
4. 4. Which type of data are the Olympic medals of gold, silver, and bronze
examples of?
O Ratio data
O Interval data
O Ordinal data
O Nominal data
Ans>> O Ordinal data
5. 5. What are two aspects of data quality management? Choose 2 answers
¡ It cleans data.
¡ It reduces the amount of incomplete data.
¡ It calculates spurious data.
¡ It monitors data input rates
Ans>>. ¡ It cleans data.
¡ It reduces the amount of incomplete data.
6. 6. Which two attributes indicate potential data quality issues when evaluat-
,ing a set of nominal data? Choose 2 answers.
¡ Out-of-range data
¡ Missing data
¡ Misspelled data
¡ Outlier data
Ans>> ¡ Missing data
¡ Misspelled data
7. 7. When conducting a study that measures an individual's weight, all scales
are calibrated prior to use in measurement.
Which type of error should this procedure significantly reduce?
O Systematic error
O Omission error
O Random error
O Information error
Ans>> O Systematic error
8. 8. An advertising manager creates a research study by presenting low,
medium, or high frequency of the same ad in matched markets. The manager
then reports on sales in each market location.What is the term for the different
sales in this study?
O Intervention
O Treatment
,O Experimental Unit
O Response Variable
Ans>> O Response Variable
9. 9. 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. The healthcare organization hopes this data will
allow them to create early prevention programs.
Which type of research design does this study describe?
O Systematic study
O Cohort study
O Double-blind study
O Experimental study
Ans>> O Cohort study
10. 10. Several missing values in a particular field in a dataset were observed.
The likelihood of a record having a missing value is correlated to another
variable in the dataset. Which two types of error might be introduced into the
dataset if the removed record included missing values?
Choose 2 answers.
O Typographical error
O Random error
O Systematic error
O Omission error
Ans>> O Systematic errorO Omission
,error
,11. 11. A company is trying to increase its online sales revenue by improving
its e-mail advertising campaign for repeat customers as well as new cus-
tomers. Which two variables would be used in determining a campaign to
maximize revenue gain?
Choose 2 answers.
¡ Spending per purchase
¡ Cost per e-mail
¡ Number of purchases per e-mail
¡ E-mail content
Ans>> ¡ Spending per purchase
¡ Number of purchases per e-mail
12. 12. A company that raises turkeys is hoping to increase the rate of growth
of the turkeys while controlling the cost of feeding them. It has determined
that feeds containing both nutrients and protein can be used.
Which decision-making technique is most appropriate for this company to
minimize the cost of feeding the birds?
O Correlation
O Linear programming
O Chi-square
O Z-score
Ans>> O Linear programming
, 13. 13. Match each action with the appropriate statistical procedure
Answer options may be used more than once or not at all.
¡ Understand effective marketing to spend advertising dollars efficiently
¡ Compare outcomes of different drug testing results
¡ Monitor production process
O ANOVA
O Control Charts
O Correlation
Ans>> ¡ Understand effective marketing to spend advertising dollars effi-ciently
O Correlation
¡ Compare outcomes of different drug testing results
O ANOVA
¡ Monitor production process
O Control Charts
14. 14. A researcher concludes that bananas create healthy children because
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 if these
children also eat a balanced diet and exercise daily?
O Confusion of association and causality
O Faulty operationalization
O Unfounded assumptions
Actual Questions and Verified Answers
100% Correct| Already Grade A
1. 1. Analytics is a broad term that refers to a variety of tools that inform
managerial decisions.
Which term can be used to describe managerial decisions?
O Descriptive
O Pareto chart
O Biased
O Prescriptive
Ans>> O Prescriptive
2. 2. What are two reasons for the increasing use of analytics in organizational
decision making? Choose 2 answers.
O Higher computer processing power
O Higher cost of obtaining data
O Relatively lower cost of computer storage
O Lower availability of statistical experts
Ans>> O Higher computer processing powerO Relatively lower cost of computer
storage
,3. 3. How does probability theory inform decision-making for managers?
O By quantifying costs
O By quantifying quality
O By quantifying risk
O By quantifying data
Ans>> O By quantifying risk
4. 4. Which type of data are the Olympic medals of gold, silver, and bronze
examples of?
O Ratio data
O Interval data
O Ordinal data
O Nominal data
Ans>> O Ordinal data
5. 5. What are two aspects of data quality management? Choose 2 answers
¡ It cleans data.
¡ It reduces the amount of incomplete data.
¡ It calculates spurious data.
¡ It monitors data input rates
Ans>>. ¡ It cleans data.
¡ It reduces the amount of incomplete data.
6. 6. Which two attributes indicate potential data quality issues when evaluat-
,ing a set of nominal data? Choose 2 answers.
¡ Out-of-range data
¡ Missing data
¡ Misspelled data
¡ Outlier data
Ans>> ¡ Missing data
¡ Misspelled data
7. 7. When conducting a study that measures an individual's weight, all scales
are calibrated prior to use in measurement.
Which type of error should this procedure significantly reduce?
O Systematic error
O Omission error
O Random error
O Information error
Ans>> O Systematic error
8. 8. An advertising manager creates a research study by presenting low,
medium, or high frequency of the same ad in matched markets. The manager
then reports on sales in each market location.What is the term for the different
sales in this study?
O Intervention
O Treatment
,O Experimental Unit
O Response Variable
Ans>> O Response Variable
9. 9. 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. The healthcare organization hopes this data will
allow them to create early prevention programs.
Which type of research design does this study describe?
O Systematic study
O Cohort study
O Double-blind study
O Experimental study
Ans>> O Cohort study
10. 10. Several missing values in a particular field in a dataset were observed.
The likelihood of a record having a missing value is correlated to another
variable in the dataset. Which two types of error might be introduced into the
dataset if the removed record included missing values?
Choose 2 answers.
O Typographical error
O Random error
O Systematic error
O Omission error
Ans>> O Systematic errorO Omission
,error
,11. 11. A company is trying to increase its online sales revenue by improving
its e-mail advertising campaign for repeat customers as well as new cus-
tomers. Which two variables would be used in determining a campaign to
maximize revenue gain?
Choose 2 answers.
¡ Spending per purchase
¡ Cost per e-mail
¡ Number of purchases per e-mail
¡ E-mail content
Ans>> ¡ Spending per purchase
¡ Number of purchases per e-mail
12. 12. A company that raises turkeys is hoping to increase the rate of growth
of the turkeys while controlling the cost of feeding them. It has determined
that feeds containing both nutrients and protein can be used.
Which decision-making technique is most appropriate for this company to
minimize the cost of feeding the birds?
O Correlation
O Linear programming
O Chi-square
O Z-score
Ans>> O Linear programming
, 13. 13. Match each action with the appropriate statistical procedure
Answer options may be used more than once or not at all.
¡ Understand effective marketing to spend advertising dollars efficiently
¡ Compare outcomes of different drug testing results
¡ Monitor production process
O ANOVA
O Control Charts
O Correlation
Ans>> ¡ Understand effective marketing to spend advertising dollars effi-ciently
O Correlation
¡ Compare outcomes of different drug testing results
O ANOVA
¡ Monitor production process
O Control Charts
14. 14. A researcher concludes that bananas create healthy children because
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 if these
children also eat a balanced diet and exercise daily?
O Confusion of association and causality
O Faulty operationalization
O Unfounded assumptions
