Multiple Choice
If a researcher is interested in having a group of 100 people complete a survey and she plans to calculate a variance estimate and standard deviation estimate for that group,how can she increase her degrees of freedom before she does her calculations?
A) Do not use a correction in the denominator of the variance calculation.
B) Have more than 100 people complete the survey.
C) Reduce variability of the sample by collecting information from a homogeneous group.
D) Include a mean square calculation for the standard deviation estimate.
Correct Answer:
Verified
Correct Answer:
Verified
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