WGU Data Driven Decision Making Pre
Assessment Updated Questions And
Answers With 100% Correct Answers
Graded A+
QUESTIONS AND ANSWERS
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? ANSWER -Prescriptive
What are two reasons for increasing the use of analytics in organizational decision making?
ANSWER -1. Relatively lower cost of computer storage
2. Higher computer processing power
How does probability theory inform decision making for managers? ANSWER -By
quantifying risk
Which type of data are the Olympic medals of gold, silver, and bronze example of?
ANSWER -Ordinal (categorial)
What are two aspects of data quality management? ANSWER -1. It reduces the amount of
incomplete data
2. It cleans data
Which two attributes indicate potential data quality issues when evaluating a set of nominal
data? ANSWER -1. Missing Data
2. Misspelled data
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? ANSWER -Systematic
error
, 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? ANSWER -Response variable
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 org hopes the data will allow them to create early prevention programs.
Which type of research design does this study describe? ANSWER -Cohort study
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? ANSWER -Systematic error
Omission error
A company is trying to increase online sales revenue by improving its email advertising
campaign for repeat customers as well as new customers.
Which two variables would be used in determining a campaign to maximize revenue gain?
ANSWER -Number of purchases per email
Spending per purchase
A company that raises turkeys hopes to increase the rate of growth while controlling the
cost of feeding them. It has determined that feeds containing both nutrients and proteins
can be used.
Which decision-making technique is most appropriate to minimize the cost of feeding the
birds? ANSWER -Linear programming
Comparing outcomes of different drug testing results ANSWER -ANOVA
Understand effective marketing to spend advertising dollars efficiently ANSWER -
Correlation
Monitor production process ANSWER -Control charts
Assessment Updated Questions And
Answers With 100% Correct Answers
Graded A+
QUESTIONS AND ANSWERS
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? ANSWER -Prescriptive
What are two reasons for increasing the use of analytics in organizational decision making?
ANSWER -1. Relatively lower cost of computer storage
2. Higher computer processing power
How does probability theory inform decision making for managers? ANSWER -By
quantifying risk
Which type of data are the Olympic medals of gold, silver, and bronze example of?
ANSWER -Ordinal (categorial)
What are two aspects of data quality management? ANSWER -1. It reduces the amount of
incomplete data
2. It cleans data
Which two attributes indicate potential data quality issues when evaluating a set of nominal
data? ANSWER -1. Missing Data
2. Misspelled data
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? ANSWER -Systematic
error
, 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? ANSWER -Response variable
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 org hopes the data will allow them to create early prevention programs.
Which type of research design does this study describe? ANSWER -Cohort study
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? ANSWER -Systematic error
Omission error
A company is trying to increase online sales revenue by improving its email advertising
campaign for repeat customers as well as new customers.
Which two variables would be used in determining a campaign to maximize revenue gain?
ANSWER -Number of purchases per email
Spending per purchase
A company that raises turkeys hopes to increase the rate of growth while controlling the
cost of feeding them. It has determined that feeds containing both nutrients and proteins
can be used.
Which decision-making technique is most appropriate to minimize the cost of feeding the
birds? ANSWER -Linear programming
Comparing outcomes of different drug testing results ANSWER -ANOVA
Understand effective marketing to spend advertising dollars efficiently ANSWER -
Correlation
Monitor production process ANSWER -Control charts
