Question

A service centre received the following number of calls per day over a period of 30 days.
6 5 6 9 7 4 2 4 7 8
3 4 9 8 2 3 5 9 7 8
9 7 5 6 7 7 4 6 2 4

Using a frequency table, find the average number of calls per day. Round your answer to 1 decimal place.

Answer 1

Average = (frequency x data)/ total frequency
= 173/30
= 5.8