What would the critical chisquare value be if my test involv

What would the critical chi-square value be if my test involves seven classes? Table 1. Critical chi-square values for a p-value of 0.05. Reject the null hypothesis if 2calc > 2crit.

df

2crit

1

3.84

2

5.99

3

7.81

4

9.49

5

11.07

6

12.59

7

14.07

8

15.51

9

16.92

10

18.31

11

19.68

12

21.03

13

22.36

14

23.68

15

25.00

16

26.30

17

27.59

18

28.87

19

30.14

20

31.41

Solution

A statistical test that can test out ratios is the Chi-square or goodness of fit test

Degrees of freedom= n-1 where n is the number of the classes

The value for the test having seven classes will have 6 degrees of freedom.

The value of 6 df is 12.59.