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Essentials of Statistics for the B...

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

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Chapter
Section
BuyFindarrow_forward

Essentials of Statistics for the B...

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

The following data were obtained from an independent-measures research study comparing three treatment conditions. Use an ANOVA with α = .05 to determine whether there are any significant mean differences among the treatments.

  images

To determine
Whether the treatments are significant.

Explanation

Given info:

The data represents the measures of the research study.

Calculation:

Here, k represents the numbers of treatments. Then,

k=3

Degrees of Freedom:

dfbetween=k1=31=2

dfwithin=Nk=183=15

SSwithin is obtained as:

SSwithin=SS=40+24+16=80

Sum of squares between treatments is obtained by:

SSbetween=T2nG2N=(16)28

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