A sample of 50 breakfast customers of McDonald's showed the spending below. Which statement is least likely to be correct?
A)The median is very close to the midhinge.
B)The median purchase is slightly less than $5.
C)About 75 percent of the customers spend less than $7.
D)The mean is a reasonable measure of center.

Question

A sample of 50 breakfast customers of McDonald's showed the spending below. Which statement is least likely to be correct? 
A)The median is very close to the midhinge. 
B)The median purchase is slightly less than $5. 
C)About 75 percent of the customers spend less than $7. 
D)The mean is a reasonable measure of center.

Quizplus · Accepted Answer

The sample may have outliers or a skewed distribution, in which case the mean may not be a representative measure of center. It would be better to use the median or midhinge in such cases.

A Sample of 50 Breakfast Customers of McDonald's Showed the Spending