WGU C207 OA Test Questions and Answers Graded A+
Analytics is a broad term that refers to a variety Which type of error should this procedure
of tools that inform managerial decisions. significantly reduce? - ANSWER -
Systematic error
Which term can be used to describe managerial
decisions - ANSWER -Prescriptive
An advertising manager creates a research study
by presenting low, medium, or high frequency of
What are two reasons for the increasing use of the same ad in matched markets. The manager
analytics in organizational decision making? then reports on sales in each market location.
Choose 2 answers - ANSWER -Relatively What is the term for the different sales in this
lower cost of computer storage study? - ANSWER -The response variable
Higher computer processing power
A healthcare study follows a particular sample
In what way does probability theory inform over time to identify how the health habits of
decision-making for managers? - teenagers impact their likelihood of acquiring
ANSWER -By quantifying risk various diseases later in their life in the hope that
the healthcare organization will be able to create
early prevention programs.
Which type of data are the Olympic medals of
gold, silver, and bronze examples of? - Which type of research design does this study
ANSWER -Ordinal data describe? - ANSWER -Cohort study
What are some of the aspects of data quality Several missing values in a particular field in a
management? dataset were observed. The likelihood of a record
having a missing value is correlated to another
Choose 2 answers - ANSWER -It reduces variable in the dataset.
the amount of incomplete data.
It cleans data. Which two types of error might be introduced into
the dataset if the removed record included
missing values?
Which two attributes indicate potential data
quality issues when evaluating a set of nominal Choose 2 answers - ANSWER -Systematic
data? error
Omission error
Choose 2 answers - ANSWER -Missing
data
Misspelled data A company is trying to increase its online sales
revenue by improving its e-mail advertising
campaign for repeat customers as well as new
When conducting a study that measures an customers.
individual's weight, all scales are calibrated prior
to use in measurement. Which two variables would be used in
determining a campaign to maximize revenue
1/7
, WGU C207 OA Test Questions and Answers Graded A+
gain? that a patient needs treatment for both a broken
bone and a concussion.
Choose 2 answers - ANSWER -Number of
purchases per e-mail Which two techniques apply in finding the
Cost per e-mail probability that a patient needs treatment for a
broken bone and a concussion?
Match each action with the appropriate statistical Choose 2 answers - ANSWER -Intersection
procedure. Multiplication principle
Answer options may be used more than once or
not at all. (3) - ANSWER -Compare A hardware store has found that there is a 0.25
outcomes of different drug testing results ANOVA probability that a customer buys an electrical
product, a 0.45 probability that a customer buys a
Understand effective marketing to spend plumbing product, and a 0.10 probability that a
advertising dollars efficiently Correlation customer buys an electrical part if they purchase
a plumbing part.
Monitor production process Control charts
Given this information, which statistical rule can
be used to determine the probability that a
A researcher concludes that bananas create customer buys a plumbing product given that this
healthy children because the researcher's notes customer has purchased an electrical product? -
indicate that children who eat a banana every ANSWER -Bayes' Theorem
day are healthy.
Which misuse of statistics would this study be an Given the following data set:
example of if these children also eat a balanced
diet and exercise daily? - ANSWER - 9 12 14 10 8 11 12
Confusion of association and causality
What is the mode? - ANSWER -12
In the month of December, there is a strong
positive correlation between airline ticket sales Which graphical tool is used to illustrate a
and retail sales. possible relationship or correlation between two
variables? - ANSWER -Scatterplot
Which question should the researcher consider
before concluding that the correlation statistic
implies that airline sales drive retail sales? - What does it mean when an individual data point
ANSWER -Does a causal relationship truly has a z-score of -2? - ANSWER -The data
exist? point is two standard deviations less than the
mean of the data set
A medical care provider determines the
probability that a patient needs treatment for a A research study examined the impact of product
broken bone, the probability that a patient needs advertisement exposure on that product's brand
treatment for a concussion, and the probability awareness. The appropriate statistical test
2/7
Analytics is a broad term that refers to a variety Which type of error should this procedure
of tools that inform managerial decisions. significantly reduce? - ANSWER -
Systematic error
Which term can be used to describe managerial
decisions - ANSWER -Prescriptive
An advertising manager creates a research study
by presenting low, medium, or high frequency of
What are two reasons for the increasing use of the same ad in matched markets. The manager
analytics in organizational decision making? then reports on sales in each market location.
Choose 2 answers - ANSWER -Relatively What is the term for the different sales in this
lower cost of computer storage study? - ANSWER -The response variable
Higher computer processing power
A healthcare study follows a particular sample
In what way does probability theory inform over time to identify how the health habits of
decision-making for managers? - teenagers impact their likelihood of acquiring
ANSWER -By quantifying risk various diseases later in their life in the hope that
the healthcare organization will be able to create
early prevention programs.
Which type of data are the Olympic medals of
gold, silver, and bronze examples of? - Which type of research design does this study
ANSWER -Ordinal data describe? - ANSWER -Cohort study
What are some of the aspects of data quality Several missing values in a particular field in a
management? dataset were observed. The likelihood of a record
having a missing value is correlated to another
Choose 2 answers - ANSWER -It reduces variable in the dataset.
the amount of incomplete data.
It cleans data. Which two types of error might be introduced into
the dataset if the removed record included
missing values?
Which two attributes indicate potential data
quality issues when evaluating a set of nominal Choose 2 answers - ANSWER -Systematic
data? error
Omission error
Choose 2 answers - ANSWER -Missing
data
Misspelled data A company is trying to increase its online sales
revenue by improving its e-mail advertising
campaign for repeat customers as well as new
When conducting a study that measures an customers.
individual's weight, all scales are calibrated prior
to use in measurement. Which two variables would be used in
determining a campaign to maximize revenue
1/7
, WGU C207 OA Test Questions and Answers Graded A+
gain? that a patient needs treatment for both a broken
bone and a concussion.
Choose 2 answers - ANSWER -Number of
purchases per e-mail Which two techniques apply in finding the
Cost per e-mail probability that a patient needs treatment for a
broken bone and a concussion?
Match each action with the appropriate statistical Choose 2 answers - ANSWER -Intersection
procedure. Multiplication principle
Answer options may be used more than once or
not at all. (3) - ANSWER -Compare A hardware store has found that there is a 0.25
outcomes of different drug testing results ANOVA probability that a customer buys an electrical
product, a 0.45 probability that a customer buys a
Understand effective marketing to spend plumbing product, and a 0.10 probability that a
advertising dollars efficiently Correlation customer buys an electrical part if they purchase
a plumbing part.
Monitor production process Control charts
Given this information, which statistical rule can
be used to determine the probability that a
A researcher concludes that bananas create customer buys a plumbing product given that this
healthy children because the researcher's notes customer has purchased an electrical product? -
indicate that children who eat a banana every ANSWER -Bayes' Theorem
day are healthy.
Which misuse of statistics would this study be an Given the following data set:
example of if these children also eat a balanced
diet and exercise daily? - ANSWER - 9 12 14 10 8 11 12
Confusion of association and causality
What is the mode? - ANSWER -12
In the month of December, there is a strong
positive correlation between airline ticket sales Which graphical tool is used to illustrate a
and retail sales. possible relationship or correlation between two
variables? - ANSWER -Scatterplot
Which question should the researcher consider
before concluding that the correlation statistic
implies that airline sales drive retail sales? - What does it mean when an individual data point
ANSWER -Does a causal relationship truly has a z-score of -2? - ANSWER -The data
exist? point is two standard deviations less than the
mean of the data set
A medical care provider determines the
probability that a patient needs treatment for a A research study examined the impact of product
broken bone, the probability that a patient needs advertisement exposure on that product's brand
treatment for a concussion, and the probability awareness. The appropriate statistical test
2/7
