CBSE Class 10 Answered
If the mean of twenty observations is 110. and each is observation is divided by 2.Then find the new mean?
Asked by | 21 Aug, 2012, 08:08: PM
Expert Answer
Property of Mean:
If every value of the observations is either increased, decreased, divided or multiplied by a constant, the mean so obtained also increases, decreases, gets multiplied or gets divided respectively by the same constant.
Therefore,
New mean = 110/2 = 55
Answered by | 22 Aug, 2012, 09:51: AM
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