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

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. here are the data collected by one graduate student: 0 15 30 45 45 60 60 60 75 75 75 75 90 90 120 what is the mean number of minutes reported by these parents for their childrens outdoor playtime that day? minutes

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. here are the data collected by one graduate student: 0 15 30 45 45 60 60 60 75 75 75 75 90 90 120 what is the mean number of minutes reported by these parents for their childrens outdoor playtime that day? minutes

Answer

Explanation:

Step1: Calculate sum of data

$0 + 15+30 + 45+45+60+60+60+75+75+75+75+90+90+120=840$

Step2: Calculate mean

The number of data - points $n = 15$. Mean $\bar{x}=\frac{\text{Sum of data}}{n}=\frac{840}{15}=56$

Answer:

56