WGU C207 OA Test Questions and Answers Graded A+
Analytics is a broad term that refers to a variety significantly reduce? - -Systematic error
of tools that inform managerial decisions.
Which term can be used to describe managerial An advertising manager creates a research study
decisions - -Prescriptive 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 are two reasons for the increasing use of
analytics in organizational decision making? What is the term for the different sales in this
study? - -The response variable
Choose 2 answers - -Relatively lower cost
of computer storage
Higher computer processing power A healthcare study follows a particular sample
over time to identify how the health habits of
teenagers impact their likelihood of acquiring
In what way does probability theory inform various diseases later in their life in the hope that
decision-making for managers? - -By the healthcare organization will be able to create
quantifying risk early prevention programs.
Which type of research design does this study
Which type of data are the Olympic medals of describe? - -Cohort study
gold, silver, and bronze examples of? - -
Ordinal data
Several missing values in a particular field in a
dataset were observed. The likelihood of a record
What are some of the aspects of data quality having a missing value is correlated to another
management? variable in the dataset.
Choose 2 answers - -It reduces the Which two types of error might be introduced into
amount of incomplete data. the dataset if the removed record included
It cleans data. missing values?
Choose 2 answers - -Systematic error
Which two attributes indicate potential data Omission error
quality issues when evaluating a set of nominal
data?
A company is trying to increase its online sales
Choose 2 answers - -Missing data revenue by improving its e-mail advertising
Misspelled data campaign for repeat customers as well as new
customers.
When conducting a study that measures an Which two variables would be used in
individual's weight, all scales are calibrated prior determining a campaign to maximize revenue
to use in measurement. gain?
Which type of error should this procedure Choose 2 answers - -Number of purchases
1/7
, WGU C207 OA Test Questions and Answers Graded A+
per e-mail probability that a patient needs treatment for a
Cost per e-mail broken bone and a concussion?
Choose 2 answers - -Intersection
Match each action with the appropriate statistical Multiplication principle
procedure.
Answer options may be used more than once or A hardware store has found that there is a 0.25
not at all. (3) - -Compare outcomes of probability that a customer buys an electrical
different drug testing results ANOVA product, a 0.45 probability that a customer buys a
plumbing product, and a 0.10 probability that a
Understand effective marketing to spend customer buys an electrical part if they purchase
advertising dollars efficiently Correlation a plumbing part.
Monitor production process Control charts Given this information, which statistical rule can
be used to determine the probability that a
customer buys a plumbing product given that this
A researcher concludes that bananas create customer has purchased an electrical product? -
healthy children because the researcher's notes -Bayes' Theorem
indicate that children who eat a banana every
day are healthy.
Given the following data set:
Which misuse of statistics would this study be an
example of if these children also eat a balanced 9 12 14 10 8 11 12
diet and exercise daily? - -Confusion of
association and causality What is the mode? - -12
In the month of December, there is a strong Which graphical tool is used to illustrate a
positive correlation between airline ticket sales possible relationship or correlation between two
and retail sales. variables? - -Scatterplot
Which question should the researcher consider
before concluding that the correlation statistic What does it mean when an individual data point
implies that airline sales drive retail sales? -
has a z-score of -2? - -The data point is
-Does a causal relationship truly exist? 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
that a patient needs treatment for both a broken indicates that the null hypothesis should be
bone and a concussion. rejected with 95% confidence.
Which two techniques apply in finding the What can be concluded from this study? - -
2/7
Analytics is a broad term that refers to a variety significantly reduce? - -Systematic error
of tools that inform managerial decisions.
Which term can be used to describe managerial An advertising manager creates a research study
decisions - -Prescriptive 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 are two reasons for the increasing use of
analytics in organizational decision making? What is the term for the different sales in this
study? - -The response variable
Choose 2 answers - -Relatively lower cost
of computer storage
Higher computer processing power A healthcare study follows a particular sample
over time to identify how the health habits of
teenagers impact their likelihood of acquiring
In what way does probability theory inform various diseases later in their life in the hope that
decision-making for managers? - -By the healthcare organization will be able to create
quantifying risk early prevention programs.
Which type of research design does this study
Which type of data are the Olympic medals of describe? - -Cohort study
gold, silver, and bronze examples of? - -
Ordinal data
Several missing values in a particular field in a
dataset were observed. The likelihood of a record
What are some of the aspects of data quality having a missing value is correlated to another
management? variable in the dataset.
Choose 2 answers - -It reduces the Which two types of error might be introduced into
amount of incomplete data. the dataset if the removed record included
It cleans data. missing values?
Choose 2 answers - -Systematic error
Which two attributes indicate potential data Omission error
quality issues when evaluating a set of nominal
data?
A company is trying to increase its online sales
Choose 2 answers - -Missing data revenue by improving its e-mail advertising
Misspelled data campaign for repeat customers as well as new
customers.
When conducting a study that measures an Which two variables would be used in
individual's weight, all scales are calibrated prior determining a campaign to maximize revenue
to use in measurement. gain?
Which type of error should this procedure Choose 2 answers - -Number of purchases
1/7
, WGU C207 OA Test Questions and Answers Graded A+
per e-mail probability that a patient needs treatment for a
Cost per e-mail broken bone and a concussion?
Choose 2 answers - -Intersection
Match each action with the appropriate statistical Multiplication principle
procedure.
Answer options may be used more than once or A hardware store has found that there is a 0.25
not at all. (3) - -Compare outcomes of probability that a customer buys an electrical
different drug testing results ANOVA product, a 0.45 probability that a customer buys a
plumbing product, and a 0.10 probability that a
Understand effective marketing to spend customer buys an electrical part if they purchase
advertising dollars efficiently Correlation a plumbing part.
Monitor production process Control charts Given this information, which statistical rule can
be used to determine the probability that a
customer buys a plumbing product given that this
A researcher concludes that bananas create customer has purchased an electrical product? -
healthy children because the researcher's notes -Bayes' Theorem
indicate that children who eat a banana every
day are healthy.
Given the following data set:
Which misuse of statistics would this study be an
example of if these children also eat a balanced 9 12 14 10 8 11 12
diet and exercise daily? - -Confusion of
association and causality What is the mode? - -12
In the month of December, there is a strong Which graphical tool is used to illustrate a
positive correlation between airline ticket sales possible relationship or correlation between two
and retail sales. variables? - -Scatterplot
Which question should the researcher consider
before concluding that the correlation statistic What does it mean when an individual data point
implies that airline sales drive retail sales? -
has a z-score of -2? - -The data point is
-Does a causal relationship truly exist? 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
that a patient needs treatment for both a broken indicates that the null hypothesis should be
bone and a concussion. rejected with 95% confidence.
Which two techniques apply in finding the What can be concluded from this study? - -
2/7
