ICSE Class X Math 2019 Solved Paper

Question : 25

Total: 32

The data on the number of patients attending a hospital in a month are given below. Find the average (mean) number of patients attending the hospital in a month by using the shortcut method.
Take the assumed mean as 45 . Give your answer correct to 2 decimal places.

Number of patients	10−20	20−30	30−40	40−50	50−60	60−70
Number of Days	5	2	7	9	2	5

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