# The mean and stan

To Find: Find the correct mean and standard deviation.

Explanation: Here, n=100, X =   So, Corrected Corrected Now, Standard variance = 3

Since, Variance = Variance = 9

X = 9 = 9 =  Corrected Corrected Correct mean = Corrected Variance =  409.22-400

Corrected variance =9.22

Now, Corrected Standard Deviation =  Correct Deviation is 3.04

Hence, The correct Mean is 20 and Correct SD is 3.04

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