Find the mean deviation (approximately) about the mean for the following. `{:("Class interval",f),(" "0-5,3),(" "5-0,4),(" "10-15,8),(" "15-20,10),(" "20-25,5):}`A. 5B. 4C. 6D. 3

Find the mean deviation (approximately) about the mean for the followi

1.	Find the mean deviation (approximately) about the mean for the following. `{:("Class interval",f),(" "0-5,3),(" "5-0,4),(" "10-15,8),(" "15-20,10),(" "20-25,5):}`A. 5B. 4C. 6D. 3
Answer» Correct Answer - A (i) Find mean and then mean deviation. (ii) Find the mid-values of the series. (iii) Find the mean. (iv) Find the mean deviation using the formula, `MD = sqrt((sum(x_(i)-A)f)/(sum f))`

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Find the mean deviation (approximately) about the mean for the following. `{:("Class interval",f),(" "0-5,3),(" "5-0,4),(" "10-15,8),(" "15-20,10),(" "20-25,5):}`A. 5B. 4C. 6D. 3

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