The following data represents the frequency distribution of 20 observations x_i 3 4 5 8 10 11 f_i \alpha+2 (\alpha-1)^2 4 \alpha-1 2 \alpha Then its mean deviation about the mean is [AP EAPCET 22 May 2025 S1]

Statistics

Section: Mathematics

Question : 5 of 16

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The following data represents the frequency distribution of 20 observations

xi	3	4	5	8	10	11
fi	α+2	(α−1)2	4	α−1	2	α

Then its mean deviation about the mean is

[AP EAPCET 22 May 2025 S1]

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