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3. Statistics
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Q11 of 44 Page 80

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

We can make the following table for ease of calculation:


Mean is given by



⇒


⇒ Mean = 28.67


Thus, the average number of patients attending the hospital are 28.67.


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9

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10

Mean of 100 observations is found to be 40. At the time of computation two items were wrongly taken as 30 and 27 instead of 3 and 72. Find the correct mean.

12

Calculate the arithmetic mean for the following data Using step deviation method.

13

In a study on patients, the following data were obtained. Find the arithmetic mean.

Questions · 44
3. Statistics
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