CFA Practice Question

There are 434 practice questions for this study session.

CFA Practice Question

A statistician has randomly selected 25 samples from a production line for testing. In order for this sample to be a valid indication of the population, what assumption about the sample is necessary?

I. The population variance is equal to the population mean.
II. The population of paired differences must be normal.
III. The population must have a normal distribution.
A. III only
B. II and III
C. I and III

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