1/31/2021 WGU Student Portal | Coaching Report
PRE-ASSESSMENT: DATA-DRIVEN DECISION MAKING PVPC
Attempt #1
Status: Passed
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?
YOUR CORRECT
ANSWER ANSWER
Prescriptive
Descriptive
Pareto chart
Biased
2.
What are two reasons for the increasing use of analytics in organizational decision-making?
Choose 2 answers.
YOUR CORRECT
ANSWER ANSWER
Relatively lower cost of computer storage
Lower availability of statistical experts
Higher cost of obtaining data
Higher computer processing power
3.
How does probability theory inform decision-making for managers?
YOUR CORRECT
ANSWER ANSWER
1/31
,1/31/2021 WGU Student Portal | Coaching Report
YOUR CORRECT
ANSWER ANSWER
By quantifying risk
By quantifying data
By quantifying quality
By quantifying costs
4.
Which type of data are the Olympic medals of gold, silver, and bronze examples of?
YOUR CORRECT
ANSWER ANSWER
Nominal data
Ordinal data
Interval data
Ratio data
5.
What are two aspects of data quality management?
Choose 2 answers.
YOUR CORRECT
ANSWER ANSWER
It calculates spurious data.
It reduces the amount of incomplete data.
It monitors data input rates.
It cleans data.
2/31
,1/31/2021 WGU Student Portal | Coaching Report
6.
Which two attributes indicate potential data quality issues when evaluating a set of nominal data?
Choose 2 answers.
YOUR CORRECT
ANSWER ANSWER
Outlier data
Missing data
Out-of-range data
Misspelled data
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 signi cantly reduce?
YOUR CORRECT
ANSWER ANSWER
Systematic error
Omission error
Random error
Information error
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?
YOUR CORRECT
ANSWER ANSWER
3/31
, 1/31/2021 WGU Student Portal | Coaching Report
YOUR CORRECT
ANSWER ANSWER
Experimental unit
Treatment
Response variable
Intervention
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?
YOUR CORRECT
ANSWER ANSWER
Double-blind study
Systematic study
Cohort study
Experimental study
10.
Several missing values in a particular eld 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.
YOUR CORRECT
ANSWER ANSWER
Systematic error
Omission error
4/31
PRE-ASSESSMENT: DATA-DRIVEN DECISION MAKING PVPC
Attempt #1
Status: Passed
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?
YOUR CORRECT
ANSWER ANSWER
Prescriptive
Descriptive
Pareto chart
Biased
2.
What are two reasons for the increasing use of analytics in organizational decision-making?
Choose 2 answers.
YOUR CORRECT
ANSWER ANSWER
Relatively lower cost of computer storage
Lower availability of statistical experts
Higher cost of obtaining data
Higher computer processing power
3.
How does probability theory inform decision-making for managers?
YOUR CORRECT
ANSWER ANSWER
1/31
,1/31/2021 WGU Student Portal | Coaching Report
YOUR CORRECT
ANSWER ANSWER
By quantifying risk
By quantifying data
By quantifying quality
By quantifying costs
4.
Which type of data are the Olympic medals of gold, silver, and bronze examples of?
YOUR CORRECT
ANSWER ANSWER
Nominal data
Ordinal data
Interval data
Ratio data
5.
What are two aspects of data quality management?
Choose 2 answers.
YOUR CORRECT
ANSWER ANSWER
It calculates spurious data.
It reduces the amount of incomplete data.
It monitors data input rates.
It cleans data.
2/31
,1/31/2021 WGU Student Portal | Coaching Report
6.
Which two attributes indicate potential data quality issues when evaluating a set of nominal data?
Choose 2 answers.
YOUR CORRECT
ANSWER ANSWER
Outlier data
Missing data
Out-of-range data
Misspelled data
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 signi cantly reduce?
YOUR CORRECT
ANSWER ANSWER
Systematic error
Omission error
Random error
Information error
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?
YOUR CORRECT
ANSWER ANSWER
3/31
, 1/31/2021 WGU Student Portal | Coaching Report
YOUR CORRECT
ANSWER ANSWER
Experimental unit
Treatment
Response variable
Intervention
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?
YOUR CORRECT
ANSWER ANSWER
Double-blind study
Systematic study
Cohort study
Experimental study
10.
Several missing values in a particular eld 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.
YOUR CORRECT
ANSWER ANSWER
Systematic error
Omission error
4/31
