WGU C207 TASK 1 2026 DESCRIPTIVE
STATISTICS AND DATA ANALYSIS
ASSESSMENT QUESTIONS SOLUTIONS
FINAL STUDY GUIDE
◉ Relatively lower cost of computer storage
Higher computer processing power
Answer: What are two reasons for the increasing use of analytics in
organizational decision making?
Choose 2 answers
◉ By quantifying risk
Answer: In what way does probability theory inform decision-
making for managers?
◉ Ordinal data
Answer: Which type of data are the Olympic medals of gold, silver,
and bronze examples of?
,◉ It reduces the amount of incomplete data.
It cleans data.
Answer: What are some of the aspects of data quality management?
Choose 2 answers
◉ Missing data
Misspelled data
Answer: Which two attributes indicate potential data quality issues
when evaluating a set of nominal data?
Choose 2 answers
◉ Systematic error
Answer: 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?
◉ The response variable
Answer: 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?
◉ Cohort study
Answer: 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 in the hope that the
healthcare organization will be able to create early prevention
programs.
Which type of research design does this study describe?
◉ Systematic error
Omission error
Answer: 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?
Choose 2 answers
STATISTICS AND DATA ANALYSIS
ASSESSMENT QUESTIONS SOLUTIONS
FINAL STUDY GUIDE
◉ Relatively lower cost of computer storage
Higher computer processing power
Answer: What are two reasons for the increasing use of analytics in
organizational decision making?
Choose 2 answers
◉ By quantifying risk
Answer: In what way does probability theory inform decision-
making for managers?
◉ Ordinal data
Answer: Which type of data are the Olympic medals of gold, silver,
and bronze examples of?
,◉ It reduces the amount of incomplete data.
It cleans data.
Answer: What are some of the aspects of data quality management?
Choose 2 answers
◉ Missing data
Misspelled data
Answer: Which two attributes indicate potential data quality issues
when evaluating a set of nominal data?
Choose 2 answers
◉ Systematic error
Answer: 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?
◉ The response variable
Answer: 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?
◉ Cohort study
Answer: 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 in the hope that the
healthcare organization will be able to create early prevention
programs.
Which type of research design does this study describe?
◉ Systematic error
Omission error
Answer: 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?
Choose 2 answers
