Test Index

AP EAMCET Engineering 22 Apr 2019 Shift 1 Paper

Question : 36

Total: 160

Marks obtained :	0 - 10	10 - 20	20 - 30	30 - 40	40 - 50
No. of boys	6	8	10	4	2

ClassInterval	xi	(fi)	xi fi	\|xi−21\|	fi\|xi−21\|
0-10	5	6	30	16	96
10-20	15	8	120	6	48
20-30	25	8	250	4	40
30-40	35	4	140	14	56
40-50	45	2	90	24	48
	N=∑fi=30		∑xi fi=630	∑fi\|xi−21\|=288

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