The mean of 100 observations was found t...

The mean of 100 observations was found to be 30. If two observations were wrongly taken as 32 and 12 instead of 23 and 11, find the correct mean.

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The correct Answer is:

`29*9`

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ICSE-MEAN AND MEDIAN-Exercise 19(C)

The mean of 100 observations was found to be 30. If two observations w...
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The following observations have been arranged in acending order. If th...
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The following observations have been arranged in ascending order. If t...
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