Question

A sample of 100 people is classified by gender (male/female) and by whether or not they are registered voters. The sample consists of 80 females and 20 males, and has a total of 60 registered voters. If these data were used for a chi-square test for independence, the expected frequencies should have __________ males who are registered voters.

A) 12
B) 20
C) 40
D) cannot determine without additional information

Answer 1

So based on the given information above, the correct answer would be option A. 12. So how did I get twelve.
For 60 registered voters.
Expected frequency should have for males who are registered voters
=(2/10)*60 = 12
So the expected frequencies should have 12 males who are registered voters.
Hope this answers the question. Have a great day!