Q. 105.0( 1 Vote )

Calculate the mea

Answer :

Given, The data is given in table

To Find: Find the standard deviation of the frequency


Explanation:



Now, N=70, ,


Mean






Variance = 100(3.57-1.96)


Variance = 161


Standard Deviation


SD = 12.7


Hence, The standard deviation is 12.7


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