Test Index

UPSC 2014 CDS I Math Paper

Question : 95

Total: 100

Class Interval	Mid-value (x)	Frequency (f)	fx
11-13	12	3	36
13-15	14	6	84
15-17	16	9	144
17-19	18	13	234
19-21	20	f	20f
21-23	22	5	110
23-25	24	4	96
		Σf=40+f	Σfx=704+20f

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