   Chapter 3, Problem 11P 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 sample of n = 6 scores has a mean of M = 13. If one person with a score of X = 3 is removed from the sample, what is the value for the new mean?

To determine

To Find: The value of new sample mean when a score with a value x=3 is removed.

Explanation

Given info:

A sample of 6 scores has mean 13.

Calculations:

The formula for mean is:

M=XnX=M×n

Substitute the values M=13 and n=6 in the formula

X=13×6=78

Now, removing a score with x

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