Question

what is the mean of the numbers 3, 5, and 7? 6 4 7 5

Explanation:

Step1: Recall mean formula

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

Step2: Calculate sum of numbers

The sum of 3, 5 and 7 is $3 + 5+7=15$.

Step3: Determine number of numbers

There are 3 numbers.

Step4: Calculate the mean

$\text{Mean}=\frac{15}{3}=5$.

Answer:

5