Consider a contingency table of observed frequencies with fi

Consider a contingency table of observed frequencies with five rows and seven columns.

a) How many chi-squares degrees of freedom are associated with this table? (simplify your answer)

b) What is the chi-square critical value when = 0.10? (round to 3 decimal places as needed)

Solution

(a)

Degree of freedom = (number of rows -1)(number of columns -1)=(5-1)*(7-1)=24

(b)

For = 0.10 and df=24 critical value of the chi square test is 33.196.