Define the total sum of square in single factor ANOVA.
A realtor needs to compare the average salestoappraisal ratios of residential properties sold in four neighbourhoods (A, B, C, and D). Four properties are arbitrarily selected from each neighbourhood and the ratios recorded for each as follows:
A

B

C

D

1.2

2.5

1.0

0.8

1.1

2.1

1.5

1.3

0.9

1.9

1.1

1.1

0.4

1.6

1.3

0.7

The ANOVA summary (partial results) is as follows:
SUMMARY

Groups

Count

Sum

Average

Variance

A

4

3.6

0.900

0.127

B

4

8.1

2.025

0.142

C

4

4.9

1.225

0.049

D

4

3.9

0.975

0.076

ANOVA

Source of Variation

SS

df

MS

Pvalue

F crit

Between Groups

3.182

3

1.061

0.001

3.490

Within Groups

1.183

12

0.099



What is the entire sum of squares?
(Finish the ANOVA table prior to answering.)
1) 3.182
2) 1.183
3) 4.365
4) None of the above