dolution
Let’s say that you have two sets of performance data on two divisions in your company Which statement is the MOST accurate?
a. A mean performance difference in the two-division is only sufficient if the sample size in performance observations for both divisions is also high and the standard deviation in performance for both divisions is also low.
b. A mean performance difference can never improve the performance comparison between the two divisions.
c. Sample size cannot help improve the performance comparison between the two divisions
d. The mean difference in the performance of the two divisions is sufficient to tell us which one is the better performer,
e. A mean performance difference is only sufficient if the standard deviation in performance of both divisions is also high and the sample size in performance of both divisions is also low
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