The mean of a dichotomy is:
A) the percentage of the respondents who were coded "0" on the dichotomy
B) the percentage of the respondents who were coded "1" on the dichotomy
C) the same as the median of the same dichotomy
D) meaningless

Question

Quizplus · Accepted Answer

The mean of a dichotomy refers to the average percentage of respondents who were coded "1" on the dichotomy. This is because dichotomies only have two possible values (0 or 1), so the mean will always reflect the percentage of respondents in one of those groups. The percentage of respondents coded "0" can be easily calculated by subtracting the mean from 100.

The Mean of a Dichotomy Is