A calculated value of chi-square
A) Compares the frequencies of categories of items in a sample to the frequencies that are expected in the population.
B) Compares the frequencies of categories in the population to those expected in the sample.
C) Compares the mean number of categories in a sample to those in the population.
D) Compares the mean number of frequencies in a population to those in the sample.

Question

Quizplus · Accepted Answer

A calculated value of chi-square compares the frequencies of categories of items in a sample to the frequencies that are expected in the population, making option A the correct choice. Chi-square is used to determine whether any significant difference exists between the observed frequencies and the expected frequencies or whether they occur by chance.

A Calculated Value of Chi-Square