WGU C207 PA questions and answers
2023
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 the increasing use of analytics in organizational decision-
making? - answer Relatively lower cost of computer storage; 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 examples of? -
answer Ordinal data
What are two aspects of data quality management? - answer It reduces the amount of
incomplete data.; It cleans data.
Which two attributes indicate potential data quality issues when evaluating a set of
nominal data? - answer Missing data; 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
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
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? - 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 and Omission Error
, A company is trying to increase its 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 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? - answer Linear
Programming
Compare outcomes of different drug testing results - answer ANOVA
Understand effective marketing to spend advertising dollars efficiently - answer
Correlation
Monitor production process - answer Control Charts
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 - answer Confusion of association and causality
In the month of December, there is a strong positive correlation between airline ticket
sales and retail sales.Which question should the researcher consider before concluding
that the correlation statistic implies that airline sales drive retail sales? - answer Does a
causal relationship truly exist?
A medical care provider determines the probability that a patient needs treatment for a
broken bone, the probability that a patient needs treatment for a concussion, and the
probability that a patient needs treatment for both a broken bone and a
concussion.Which two techniques apply in finding the probability that a patient needs
treatment for a broken bone and a concussion? - answer Intersection; Multiplication
principle
A hardware store has found that there is a 0.25 probability that a customer buys an
electrical product, a 0.45 probability that a customer buys a plumbing product, and a
0.10 probability that a customer buys an electrical product if they purchase a plumbing
product.Which statistical rule can be used to determine the probability that a customer
buys a plumbing product given that this customer has purchased an electrical product? -
answer Bayes' Theorem
Given the following data set:9, 12, 14, 10, 8, 11, 12What is the mode? - answer 12
Which graphical tool is used to illustrate a possible relationship or correlation between
two variables? - answer Scatterplot
2023
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 the increasing use of analytics in organizational decision-
making? - answer Relatively lower cost of computer storage; 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 examples of? -
answer Ordinal data
What are two aspects of data quality management? - answer It reduces the amount of
incomplete data.; It cleans data.
Which two attributes indicate potential data quality issues when evaluating a set of
nominal data? - answer Missing data; 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
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
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? - 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 and Omission Error
, A company is trying to increase its 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 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? - answer Linear
Programming
Compare outcomes of different drug testing results - answer ANOVA
Understand effective marketing to spend advertising dollars efficiently - answer
Correlation
Monitor production process - answer Control Charts
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 - answer Confusion of association and causality
In the month of December, there is a strong positive correlation between airline ticket
sales and retail sales.Which question should the researcher consider before concluding
that the correlation statistic implies that airline sales drive retail sales? - answer Does a
causal relationship truly exist?
A medical care provider determines the probability that a patient needs treatment for a
broken bone, the probability that a patient needs treatment for a concussion, and the
probability that a patient needs treatment for both a broken bone and a
concussion.Which two techniques apply in finding the probability that a patient needs
treatment for a broken bone and a concussion? - answer Intersection; Multiplication
principle
A hardware store has found that there is a 0.25 probability that a customer buys an
electrical product, a 0.45 probability that a customer buys a plumbing product, and a
0.10 probability that a customer buys an electrical product if they purchase a plumbing
product.Which statistical rule can be used to determine the probability that a customer
buys a plumbing product given that this customer has purchased an electrical product? -
answer Bayes' Theorem
Given the following data set:9, 12, 14, 10, 8, 11, 12What is the mode? - answer 12
Which graphical tool is used to illustrate a possible relationship or correlation between
two variables? - answer Scatterplot
