Level of Agreement (x)

Propor n tion

f

xf

$\left(x-\overline{x}\right)$

${\left(x-\overline{x}\right)}^2$

${\left(x-\overline{x}\right)}^{2}f$

Very Great Exten 5

55.8%

83

415

0.525

0.2756

22.8748

Great Extent 4

26.7%

24

96

−0.45

0.2256

5.4144

Moderate Extent 3

5.8%

5

15

−1.45

2.1756

10.8780

Low Extent 2

6.7%

3

6

−2.45

6.1256

18.3768

Very Low Extent 1

5.0%

5

5

−3.45

12.0756

60.3780

Total

100%

120

537

117.922