   Chapter 3, Problem 9P 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

A population with a mean of μ = 8 has ∑X = 40. How many scores are in the population?

To determine

To Find: The value of ‘N’ i.e. number of scores.

Explanation

Given info:

A population with a mean of 8 has sum of scores 40.

Calculation:

The formula for population mean is:

μ=XNN=Xμ

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