Question

the list below shows the prices of t - shirts at a clothing store. {8, 10, 10, 12, 15, 15, 18} which statement best describes the mean of this set? the difference between the least and greatest prices the sum of the prices the quotient of the difference between the least and greatest prices divided by 7 the sum of the prices divided by 7

Explanation:

Step1: Recall mean formula

The mean (average) of a data - set is calculated as $\text{Mean}=\frac{\text{Sum of all data points}}{\text{Number of data points}}$.

Step2: Identify number of data points

The data - set is $\{8, 10, 10, 12, 15, 15, 18\}$, and the number of data points $n = 7$.

Step3: Determine correct description

The mean is the sum of the prices divided by 7.

Answer:

the sum of the prices divided by 7