Question

when we say that families headed by a self - employed person make significantly more than families whose head works for someone else, to which type of income do we refer? a. median b. mean c. mode d. variable

Explanation:

Median represents the middle - value in a data set. Mean is the average value. Mode is the most frequently occurring value. Variable is a general term for a quantity that can change. When comparing income levels between two groups, mean income is often used to show the average amount of money families in each group make.

Answer:

B. Mean