Question

SA

(5)

A

(4)

U

(3)

D

(2)

SD

(1)

Total

(X)

Xbar

X − Xbar

(X − Xbar)2

1

620

332

84

52

27

1115

1134.2

2.249

5.058

2

725

284

42

74

21

1146

1134.2

11.8

129.24

3

680

312

27

92

16

1100

1134.2

−34.2

1169.64

4

720

264

39

114

8

1145

1134.2

10.8

116.64

5

720

300

42

80

13

1165

1134.2

30.8

948.64

5671

2369.22

Xbar

1134.2