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Given below the distribution of IQ of 100 students. Find the median IQ.

asked Mar 16, 2018 in Mathematics by shabnam praween (19,050 points)

IQ	75 – 84	85 – 94	95 – 104	105 – 114	115 – 124	125 – 134	135 – 144
Frequency	8	11	26	31	18	4	2

1 Answer

answered Mar 16, 2018 by santoshjha (25,550 points)
selected Mar 27, 2018 by Vikash Kumar

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IQ	Continous Class Interval	Frequency	Cumulative Frequency
75-84	74.5 – 84.5	8	8
85-94	84.5 – 94.5	11	19
95-104	94.5 – 104.5	26	45
105-114	104.5 – 114.5	31	76
115-124	114.5 – 124.5	18	94
125-134	124.5 – 134.5	4	98
135-144	134.5 – 144.5	2	100
		100

Given below the distribution of IQ of 100 students. Find the median IQ.

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