Level of Agreement (x)

Proportion

f

xf

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

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

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

Very Great Extent 5

54.2%

65

325

1.8333

3.3610

218.465

Great Extent 4

29.2%

35

140

0.8333

0.6944

24.304

Moderate Extent 3

6.7%

8

24

0.1667

0.0278

0.2224

Low Extent 2

5.8%

7

14

−1.1667

1.3612

9.5284

Very Low Extent 1

4.2%

5

5

−2.1667

4.6946

23.473

Total

100%

120

380

275.9928