Question

Janet wanted to determine her average phone call length over 90 days. She collected the phone bills and randomly picked ten entries to look at. The phone call lengths, in minutes, are shown below.

3, 7, 16, 7, 11, 3, 11, 3, 16, 3

Assuming that the sample was representative of all the entries on the bills, what was the mean number of minutes over 90 days?
9.25
7
8
7.3

Answer 1

Do you how to find the mean from a group of numbers?

Answer 2

No

Answer 3

To do this you want to add up all of the numbers that are given to you to start.

Answer 4

Once you get the amount, divide that number by how many numbers there are and that will be your answer

Answer 5

Did you add them up yet?

Answer 6

80

Answer 7

Divide that number by how many numbers there are (8)

Answer 8

no wait srry i cant count haha theres 10

Answer 9

D:

Answer 10

Did you get it?

Answer 11

Hint the answer is 8 (C.)

Answer 12

Medal Please?

Answer 13

i got it but kept discvonnecting

Answer 14

but thanks anywhy