Multiple Choice
When determining the sample size,the standard deviation may not be known.Which of the following was not mentioned in your text as a way to estimate the standard deviation?
A) consult secondary sources
B) estimate based on researcher judgment
C) estimate from the mean
D) conduct a pilot study
Correct Answer:
Verified
Correct Answer:
Verified
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Q36: Which method of improving response rate involves
Q38: If the researcher is required to estimate
Q39: The _ is a correction for overestimation
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