The data on the number of patients attending ...

ICSE Class X Math 2019 Paper

Question : 25 of 32

Marks: +1, -0

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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