Question

The null hypothesis regarding a contingency table with 6 rows and 4 columns should be rejected (at 95% confidence) if the test statistic is greater than

Answer 1

Degrees of freedom:

$df=(6-1)(4-1)=15$

From table for critical values of chi-square distribution:

The null hypothesis should be rejected (at 95% confidence) if the test statistic

is greater than 24.996