Question

find standard deviation and variance of the following data xi 5,10,15,20,25. fi 6,16,28,38,46​

Answer 1

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Answer 2

Answer:

To find the mean deviation from the mean, firstly let us calculate the mean.Read more on Sarthaks.com - https://www.sarthaks.com/809222/find-the-mean-deviation-from-the-mean-for-the-data-xi-5-10-15-20-25-fi-7-4-6-3-5