Question

Consider a two-way frequency table. Which of the following statements are true?

Select all that apply.
A. The sum of all marginal frequencies equals the total frequency
B. Arelative frequency is the ratio of a joint frequency and a marginal frequency
C. The sum of all joint frequencies equals the total frequency
D. The sum of all joint frequencies in a column equals the marginal frequency at the bottom of the column
E. The sum of all marginal frequencies in a row equals the total frequency

Answer 1

A,C,D are correct

Explanation:

It follows directly from the definitions

B is incorrect because the sum of all marginal frequencies in a row or column equals total frequency.

E is incorrect because relative frequency is ratio of joint frequency and total frequency.

Hope this helps have a nice day!

Answer 2

When I’m doubt choose C