a public health professor is investigating after-school outdoor activities for elementary-age children. the…

a public health professor is investigating after-school outdoor activities for elementary-age children. the professor asks each of her graduate students to randomly survey 15 parents about how many minutes their children played outside after school that day.\nhere are the data collected by one graduate student:\n0 15 30 45 45 60 60 60 75 75 75 75 90 90 120\nwhat is the mean number of minutes reported by these parents for their childrens outdoor playtime that day?\n$square$ minutes
Answer
Explanation:
Step1: Sum all playtime values
$0 + 15 + 30 + 45 + 45 + 60 + 60 + 60 + 75 + 75 + 75 + 75 + 90 + 90 + 120 = 900$
Step2: Divide sum by number of data points
There are 15 data points, so calculate $\frac{900}{15}$
Answer:
60 minutes