Which of the following is a correct description of the distribution of income in the US since the 1960s?
A)the mean income has risen but the median has fallen
B)both the mean and the median have risen but the mean has increased more
C)there is a noticeable negative skew in the distribution
D)the distribution has grown less variable

Question

Quizplus · Accepted Answer

Since the 1960s, both the mean and median income in the US have risen, but the mean has increased more. This indicates that while overall income has grown, the gap between high and low earners has also widened, resulting in an increase in the mean income greater than the median income.

Which of the Following Is a Correct Description of the Distribution