Sums of Squares Total

Factorial ANOVA

The first sums of squares that we always estimate is the sums of squares that serves as the foundation of our estimate of the variance of all of the scores in the data set (SSTotal). We calculate this sums of squares using the squared scores (X2) in the table below.

 

Time of Testing

(Factor B)

Severity of Crime

(Factor A)

Immediate
Delay

Armed Robbery

SX=63
SX2=403
SX=38
SX2=150
Purse Snatching

SX=77

SX2=597

SX=55

SX2=311

 

Formula

Using the sums of squared scores from the design table, set up the equation.

 

 

Proceed with the calculations.

 

 

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