To identify: the degrees of freedom associated with the chi square test for below
The options are
(a)3 (c) 12 (e) 19
(b) 4 (d) 18.
Answer to Problem 27PT4
The degrees of freedom for testing association between family program viewed and product ratings
using chi square test for above contingency table are 12 and correct option is (c) 12.
Explanation of Solution
The formula for degrees of freedom associated with the chi square test is (r-1) * (c-1) where r is number of rows and c is number of columns. In this, r = and c = 5. Hence degrees of freedom of chi square test are (4-1)*(5-1)=3*4=12.
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