Question

a group of 7 students was asked, how many hours did you watch television last week? here are their responses. 9, 8, 14, 19, 20, 15, 4 find the mean number of hours for these students. if necessary, round your answer to the nearest tenth.

Explanation:

Step1: Find the sum of hours

$9 + 8+14 + 19+20+15+4=89$

Step2: Divide by number of students

The number of students is 7. So the mean is $\frac{89}{7}\approx12.7$

Answer:

$12.7$