Question

if for 10 observation summation i up to 10 (Xi-23) = - 17 then find the mean and variance​

Answer 1

Answer:

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Step-by-step explanation:

cures the variation in the observations about the middle value– mean or median etc(d) Standard Deviation: If σ2 is the variance, then σ, is called the standard Example 1 Find the mean deviation about the mean of the following data:  Here h = 10.