1.

The mean and the variance of five observations are 4 and 5.20, respectively. If three of the observations are 3,4 and 4 ; then the absolute value of the difference of the other two observations, is :

Answer»

The mean and the variance of five observations are 4 and 5.20, respectively. If three of the observations are 3,4 and 4 ; then the absolute value of the difference of the other two observations, is :



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