Question

How large of a X^2 value is needed to get a p-value of 0.05 for testing...

How large of a X^2 value is needed to get a p-value of 0.05 for testing independence in a 4 x 6 contingency table?
a) 25.0
b) 27.49
c) 37.65
d) 40.65
e) Insufficient information
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Homework Answers

Answer #1

Solution:

We have to find large of a X2 value is needed to get a p-value of 0.05 for testing independence in a 4 x 6 contingency table.

Thus   df = ( m - 1) X ( n - 1) = ( 4-1) X ( 6-1) = ( 3 ) X( 5) =15

Thus look in Chi-square table for df = 15 and level of significance = 0.05 and find Chi-square value.

Chi-square value for df = 15 and level of significance 0.05 is 24.996

That is:

(Rounded to one decimal place)

Thus correct option is: a) 25.0

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