Question

SA

(5)

A

(4)

U

(3)

D

(2)

SD

(1)

Total

(X)

Xbar

X − Xbar

(X − Xbar)2

6

695

312

27

92

16

1142

1174.6

−32.6

1062.76

7

795

288

27

72

12

1194

1174.6

19.4

376.36

8

740

322

111

0

20

1203

1174.6

28.4

806.56

9

720

344

9

34

38

1145

1174.6

−29.6

876.16

10

730

340

42

68

9

1189

1174.6

14.4

207.36

5671

3329.2

Xbar

1134.2