Question

a group of 7 students was asked, \how many hours did you watch television last week?\ here are their responses. 10, 12, 10, 18, 18, 4, 17. find the mean number of hours for these students. if necessary, round your answer to the nearest tenth.

Explanation:

Step1: Find the sum of the data

$10 + 12+10 + 18+18+4+17=89$

Step2: Divide by the number of data - points

The number of students is $n = 7$. The mean $\bar{x}=\frac{89}{7}\approx12.7$

Answer:

$12.7$