A sample of 100 people is classified by gender (male/female)and by whether they are registered voters.The sample consists of 80 females and 20 males,and has a total of 60 registered voters.If these data are used for a chi-square test for independence,what is the total number of females for the expected frequencies?
A)32
B)20
C)48
D)80

Question

Quizplus · Accepted Answer

The total number of females given in the problem is 80, which is also the number used to calculate expected frequencies in a chi-square test for independence. The expected frequency is calculated based on the totals for each category, not changing the total number of observations in each category.

A Sample of 100 People Is Classified by Gender (Male/female)and