do they affected each other?Researcher A: sample size n =125, Mean = $30, Standa

Question

do they affected each other?Researcher A: sample size n =125, Mean = $30, Standard Deviation = $5
Researcher B: sample size n =165, Mean = $15, Standard Deviation = $5
Select the best answer.
A. The variation of the data is not comparable because the sample size is
different.
B. The variation of the data for researchers A and B is not comparable
because the first mean is twice as large.
C. We cannot compare the variation because in calculating the standard
deviations one researcher could have divided by (n) and the other by (n-1)
D. The variation of data is similar for researchers A and B

Explanation / Answer

Answer:D. The variation of data is similar for researchers A and B

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