The graph below shows a distribution that is called a chi-squared distribution. For this distribution, the median:
A)is larger than the mean $\mu$.
B)is smaller than the mean $\mu$.
C)is equal to the mean $\mu$.
D)cannot be determined from the graph.

Question

The graph below shows a distribution that is called a chi-squared distribution.  For this distribution, the median:
A)is larger than the mean $\mu$. 
B)is smaller than the mean $\mu$. 
C)is equal to the mean $\mu$. 
D)cannot be determined from the graph.

Quizplus · Accepted Answer

The chi-squared distribution is typically skewed to the right, meaning that the median is smaller than the mean. Therefore, the best choice is B.

The Graph Below Shows a Distribution That Is Called a Chi-Squared