Question

A group of 6 students was asked, " How many hours did you watch television last week?" Here are their responses 17 , 15 , 5 , 8 , 20 Find the mean number of hours for these students. If necessary, round your answer to the nearest tenth.

Answer 1

Answer: 14.2

Explanation:

The numbers are 17,15,5,8,20, and 20 and to find their mean you need to find their average which their sum divide by the number of values.

17 + 15 + 5 + 8 + 20 + 20 = 85

85 /6 = 14.1666... and rounded to the nearest tenth is 14.2

Answer 2

13 hours

Explanation:

Mean=sum of observations/number of observations

=>17+15+5+8+20/5

=>65/5

=>13