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Question
Solve the following numerical problem.
The rainfall in a city on each day of a week is recorded below. Find the average rainfall for the week.
| day | Mon | Tue | Wed | Thurs | Fri | Sat | Sun |
|
Rainfall |
1.2 | 10.3 | 5.5 | 0.0 | 13.5 | 7.0 | 1.0 |
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Solution
The sum of recorded rain fall
1.2 mm + 10.3 mm + 5.5 mm+ 13.5 mm + 7 mm+ 1mm = 38.5 mm
Number of days = 7
Average rainfall of the week = sum of all observations / number of days
= 38.5 / 7 mm = 5.5 mm
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