Q. 85.0( 1 Vote )

Mean, and standar

Answer :

Given, Uncorrected mean is 40 and corrected SD is 10 and N = 100

To Find: Find the correct mean and SD


Explanation: Here,


Then,


The corrected sum of observation



So,




Variance =100



10000+160000


Incorrect


Correct


Correct


Correct SD,


Correct SD,


Hence, SD = 10.24


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