   Chapter 12.5, Problem 2LC 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 research study comparing three treatment conditions produces M = 5 with n = 4 for the first treatment, M = 2 with n = 5 for the second treatment, and M = 5 with n = 6 for the third treatment. Calculate SSbetween treatment for these data.

To determine
The value of SSbetween for the given data.

Explanation

Given info:

A study comparing 3 treatment conditions produces M=5 with n=4 for treatment 1. M=2 with n=5 for treatment and M=5 with n=6 for treatment 3.

Calculation:

Sample total (T):

T=Mean×n

For treatment 1 (T1):

T1=5×4=20

For treatment 2 (T2):

T2=2×5=10

For treatment 3 (T3):

T3=5×6=30

Sum of squares between treatments, SSbetween:

SSbetween=T2nG2N

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