Question

over the past 15 days, greg studied a total of 75 hours. what is the mean amount of time he studied per day?

Explanation:

Step1: Recall mean formula

The mean $\bar{x}=\frac{\text{Sum of values}}{\text{Number of values}}$.

Step2: Identify values

Sum of study - hours is 75, number of days (values) is 15.

Step3: Calculate the mean

$\bar{x}=\frac{75}{15}=5$.

Answer:

5