©FYNDLAY 2024/2025 ALL RIGHTS RESERVED 12:05PM.
WGU - C207 Exam Questions And Answers
2025 Update.
Descriptive Analytics - Answer✔Use data to describe what has happened over a given period of
time
Predicitve Analytics - Answer✔use data from the past to predict the future
Prescriptive Analytics - Answer✔Use data to determine the best possible decision to pursue
structured data examples - Answer✔credit card transactions through a website
unstructured data examples - Answer✔word documents, bodies of emails, videos from a traffic
accident (data that isn't in a traditional row-column based format)
data mining - Answer✔the process of discovering patterns in large data sets
Davenport-Kim Three-stage Model - Answer✔consists of framing the problem, solving the
problem, and communicating results
discrete data - Answer✔can only take on whole values. i.e., you cannot own 1.2 cars.
nominal data - Answer✔also referred to as categorical, used to label subjects in a study. a type
of discrete data. example: gender.
ordinal data - Answer✔places data objects into an order according to some quality. a type of
discrete data. 1st, 2nd, 3rd.
Interval data - Answer✔has an order to it, each object is an equal interval apart, a type of
continuous data. example: tempertature, time and dates
ratio data - Answer✔a type of continuous data where objects are an equal interval apart and
the value zero represents the absence of the measured property. example: age - you can be
twice as old as another person, and you can be zero.
sampling bias - Answer✔occurs when a taken sample is not representative of the whole
population.
Non-response bias - Answer✔typically applies to studies involving surveys when those who
respond differ greatly from those who do not respond.
1
, ©FYNDLAY 2024/2025 ALL RIGHTS RESERVED 12:05PM.
Convenience sampling - Answer✔occurs when a sample is taken from an easily accessible
group.
mode - Answer✔The value that occurs most frequently in a given data set.
Voluntary bias - Answer✔occurs when members of the population are allowed to decide for
themselves whether they want to be in the sample or not.
Survival bias - Answer✔the result of taking a sample of only those who make it past some
selection process.
Response bias - Answer✔the result of study participants responding in a way that might not
reflect their true opinion.
Demand bias - Answer✔occurs when participants change their behavior based on what they
think the study is designed for.
Social response bias - Answer✔occurs when participants report behaviors they think are
socially acceptable or desirable.
Operationalization - Answer✔the development of specific research procedures that allow for
observation and measurement of abstract concepts.
Unfounded Assumption - Answer✔when an assumption is made that has not been proven.
misuse of assumptions - Answer✔occurs when it is used to make conclusions
Bayes' Theorem - Answer✔if you know the probability of event A, the probability of event B,
and the conditional probability* of event A given event B, we can determine the probability of
event B given event A. Basically, it's a way to include new information into a calculation to give
a better understanding of the situation.
standard deviation - Answer✔always equal to the square root of the variance
standard deviation tells you - Answer✔how far, on average, the data points are from the mean
variance - Answer✔a measure of how spread out data are about the mean
z-score - Answer✔tells us the number of standard deviations a data point is from its mean
a histogram shows - Answer✔the distribution of continuous data
a bar chart shows - Answer✔the distribution of categorical data
scatter diagram / scatter plot - Answer✔helps to show potential relationships or correlations
between two variables
And, Both, All, Every, In a row - Answer✔intersection / multiplication
or, either, other - Answer✔union / addition
2
WGU - C207 Exam Questions And Answers
2025 Update.
Descriptive Analytics - Answer✔Use data to describe what has happened over a given period of
time
Predicitve Analytics - Answer✔use data from the past to predict the future
Prescriptive Analytics - Answer✔Use data to determine the best possible decision to pursue
structured data examples - Answer✔credit card transactions through a website
unstructured data examples - Answer✔word documents, bodies of emails, videos from a traffic
accident (data that isn't in a traditional row-column based format)
data mining - Answer✔the process of discovering patterns in large data sets
Davenport-Kim Three-stage Model - Answer✔consists of framing the problem, solving the
problem, and communicating results
discrete data - Answer✔can only take on whole values. i.e., you cannot own 1.2 cars.
nominal data - Answer✔also referred to as categorical, used to label subjects in a study. a type
of discrete data. example: gender.
ordinal data - Answer✔places data objects into an order according to some quality. a type of
discrete data. 1st, 2nd, 3rd.
Interval data - Answer✔has an order to it, each object is an equal interval apart, a type of
continuous data. example: tempertature, time and dates
ratio data - Answer✔a type of continuous data where objects are an equal interval apart and
the value zero represents the absence of the measured property. example: age - you can be
twice as old as another person, and you can be zero.
sampling bias - Answer✔occurs when a taken sample is not representative of the whole
population.
Non-response bias - Answer✔typically applies to studies involving surveys when those who
respond differ greatly from those who do not respond.
1
, ©FYNDLAY 2024/2025 ALL RIGHTS RESERVED 12:05PM.
Convenience sampling - Answer✔occurs when a sample is taken from an easily accessible
group.
mode - Answer✔The value that occurs most frequently in a given data set.
Voluntary bias - Answer✔occurs when members of the population are allowed to decide for
themselves whether they want to be in the sample or not.
Survival bias - Answer✔the result of taking a sample of only those who make it past some
selection process.
Response bias - Answer✔the result of study participants responding in a way that might not
reflect their true opinion.
Demand bias - Answer✔occurs when participants change their behavior based on what they
think the study is designed for.
Social response bias - Answer✔occurs when participants report behaviors they think are
socially acceptable or desirable.
Operationalization - Answer✔the development of specific research procedures that allow for
observation and measurement of abstract concepts.
Unfounded Assumption - Answer✔when an assumption is made that has not been proven.
misuse of assumptions - Answer✔occurs when it is used to make conclusions
Bayes' Theorem - Answer✔if you know the probability of event A, the probability of event B,
and the conditional probability* of event A given event B, we can determine the probability of
event B given event A. Basically, it's a way to include new information into a calculation to give
a better understanding of the situation.
standard deviation - Answer✔always equal to the square root of the variance
standard deviation tells you - Answer✔how far, on average, the data points are from the mean
variance - Answer✔a measure of how spread out data are about the mean
z-score - Answer✔tells us the number of standard deviations a data point is from its mean
a histogram shows - Answer✔the distribution of continuous data
a bar chart shows - Answer✔the distribution of categorical data
scatter diagram / scatter plot - Answer✔helps to show potential relationships or correlations
between two variables
And, Both, All, Every, In a row - Answer✔intersection / multiplication
or, either, other - Answer✔union / addition
2
