A sample of 50 breakfast customers of MacDonald'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 MacDonald'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 mean may not be a reasonable measure of center because the data may be skewed by a few high spenders, which would heavily influence the mean. The median and midhinge are resistant measures of center and less affected by outliers. Therefore, statement D is least likely to be correct.

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