Q3 of 40 Page 93

Calculate the mean for the following frequency distribution:

To find the mean let us prepare frequency distribution table first .


Calculate the mid-point of each interval


And put it as x


Mid-point =



Average =


= = = 42.75


More from this chapter

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1

Runs scored by 10 batsmen in a one day cricket match are given.

Find the average runs scored.


23, 54, 08, 94, 60, 18, 29, 44, 05, 86

 2

Find the mean weight from the following table.

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Calculate the mean for the following frequency distribution:

 5

Find the median of the data: 15, 22, 9, 20, 6, 18, 11, 25, 14.