Question

The data represent the number of phone calls received over an 8-day period.

Day 1 2 3 4 5 6 7 8
Calls Received 5 3 8 7 9 9 10 9

What is the mean number of calls received per day?

Answer 1

the answer is 7.5
all you have to do is add all the numbers witch is
60 and divide by all the numbers that is there
so 60 divide by 8=7.5

Answer 2

The mean number of calls received per day is:

7.5

Explanation:

Day 1 2 3 4 5 6 7 8

Calls Received 5 3 8 7 9 9 10 9

Mean number of calls received per day is calculated as sum of the call received each day over number of days

i.e. Mean =(5+3+8+7+9+9+10+9)/8

= 7.5

Hence, the mean number of calls received per day is:

7.5