1|Page
WGU C207 DATA DRIVEN DECISION
MAKING EXAM||LATEST ACTUAL
QUESTIONS WITH ANSWERS 2026
A good sample of the population being studied will be the right size and
___________ - correct-answer -Random
If a sample is not random it creates ____________ - correct-answer -
Measurement Bias
If a sample is not the right size it creates ___________ - correct-answer -
Measurement Bias
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Measuring the housing market in North Carolina when making an inference about
the entire East coast is an example of __________ - correct-answer -Non-
representative Sample
Lemonade sales increase when it is warmer than 75 degrees. Weather and
lemonade are __________ - correct-answer -Correlated. "NOT CAUSE"
Pulling names from a hat is a tool to create a ______ sample - correct-answer -
Random
Asking participants to taste test a yellow candy and a blue candy and select one
can create bias. How can we prevent bias? - correct-answer -Blinding
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You are taking a survey and the question is leading. It seams advantageous to
answer a specific way. What type of bias is this? - correct-answer -Conscious
KEYWORD: Benefit
A question is not leading, but you feel your boss might want you to answer a
specific way - correct-answer -Response You feel there is an "expected" response
and may not answer honestly (no leading )
pread of the data - correct-answer -Standard Deviation A normally distributed
sample spreads from -3 to +3 standard deviations from the mean
We should not use this measure of central tendency alone for decisions because it
includes outliers - correct-answer -Mean
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The best measure of central tendency when making decisions - correct-answer -
Median
We use this measure of central tendency if we want to know what happens the
most - correct-answer -Mode (most can also be defined as typical or common)
If the mean is 50 and the standard deviation is 5, what is the probability of being
between 45 and 55? - correct-answer -68.2% (of the sample will be within 1
standard deviation of the mean) 50 - 5 = 45 and 50 + 5 + =55
What are the three probabilities of the bell curve? - correct-answer -68.2% 95.4%
99.7%
68.2% of a sample will be within _______ standard deviation of the mean. -
correct-answer -1
WGU C207 DATA DRIVEN DECISION
MAKING EXAM||LATEST ACTUAL
QUESTIONS WITH ANSWERS 2026
A good sample of the population being studied will be the right size and
___________ - correct-answer -Random
If a sample is not random it creates ____________ - correct-answer -
Measurement Bias
If a sample is not the right size it creates ___________ - correct-answer -
Measurement Bias
,2|Page
Measuring the housing market in North Carolina when making an inference about
the entire East coast is an example of __________ - correct-answer -Non-
representative Sample
Lemonade sales increase when it is warmer than 75 degrees. Weather and
lemonade are __________ - correct-answer -Correlated. "NOT CAUSE"
Pulling names from a hat is a tool to create a ______ sample - correct-answer -
Random
Asking participants to taste test a yellow candy and a blue candy and select one
can create bias. How can we prevent bias? - correct-answer -Blinding
,3|Page
You are taking a survey and the question is leading. It seams advantageous to
answer a specific way. What type of bias is this? - correct-answer -Conscious
KEYWORD: Benefit
A question is not leading, but you feel your boss might want you to answer a
specific way - correct-answer -Response You feel there is an "expected" response
and may not answer honestly (no leading )
pread of the data - correct-answer -Standard Deviation A normally distributed
sample spreads from -3 to +3 standard deviations from the mean
We should not use this measure of central tendency alone for decisions because it
includes outliers - correct-answer -Mean
, 4|Page
The best measure of central tendency when making decisions - correct-answer -
Median
We use this measure of central tendency if we want to know what happens the
most - correct-answer -Mode (most can also be defined as typical or common)
If the mean is 50 and the standard deviation is 5, what is the probability of being
between 45 and 55? - correct-answer -68.2% (of the sample will be within 1
standard deviation of the mean) 50 - 5 = 45 and 50 + 5 + =55
What are the three probabilities of the bell curve? - correct-answer -68.2% 95.4%
99.7%
68.2% of a sample will be within _______ standard deviation of the mean. -
correct-answer -1
