   Chapter 4.4, Problem 3LC Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570

Solutions

Chapter
Section Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570
Textbook Problem

Explain why the formula for sample variance divides SS by n – 1 instead of dividing by n.

To determine

To explain: Why the formula for sample variance divides SS by n1 instead of dividing by n.

Explanation

Justification:

The necessary correction is that the resulting values will tend to underestimate the population variance. Dividing by a smaller number produces a larger result and makes an accurate and unbiased estimator of population variance...

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