A sample of families with children at a local school is found to have a mean of 3.2 members per family. The mode number of family members is 2 and the median number is 2.0. Based on this information, which statement is true?
A) The population mean is greater than 3.2.
B) The distribution is symmetric.
C) The distribution is right-skewed.
D) The distribution is left-skewed.
E) The distribution is bell-shaped.

Question

Quizplus · Accepted Answer

The mode and median both being smaller than the mean suggests that there are some families with more members, which pulls the mean upwards, creating a right-skewed distribution. Therefore, C) The distribution is right-skewed is the correct answer.

A Sample of Families with Children at a Local School