The mean deviation about the mean for the following data is Class Interval 0-4 4-8 8-12 12-16 Frequency 4 3 2 1

TS EAMCET 9-Sep-2020 Shift 1 Solved Paper

Section: Mathematics

Question : 35 of 160

Marks: +1, -0

The mean deviation about the mean for the following data is

Class Interval	0-4	4-8	8-12	12-16
Frequency	4	3	2	1

CI	fi	Xi	fiXi	\|Xi−X\|	fi\|Xi−X\|
0−4	4	2	8	4	16
4−8	3	6	18	0	0
8−12	2	10	20	4	8
12−16	1	14	14	8	8
Total	Σfi=10		Σfixi=60		Σfi\|xi−x\|=32

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