The Chi- square test involves a statistical comparison between measured observed and predicted expected)values.One generally determines degrees of freedom as __________.
A)ten minus the sum of the two categories
B)the sum of the two categories
C)the number of categories being compared
D)one more than the number of classes being compared
E)one less than the number of classes being compared

Question

Quizplus · Accepted Answer

The degrees of freedom in a chi-square test are calculated as the number of categories being compared minus 1. Therefore, the best choice is E - one less than the number of classes being compared.

The Chi- Square Test Involves a Statistical Comparison Between Measured