(2017) 14. The data on the number of patients attending a hospital in a month is given below. Find the average (mean) number of patients attending the hospital in a month using the short cut method. Take 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 (2019)
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40.33
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