CBSE Class 10 Answered

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Compute the median for the following data:

Marks (more than or equal to) Number of students

80 150

90 141

100 124

110 105

120 60

130 27

140 12

150 0

Asked by seeni2005 | 09 Jun, 2016, 07:51: PM

Expert Answer

begin mathsize 16px style M o r e space t h a n space o r space e q u a l space t o space m e a n s space l o w e r space l i m i t s space a r e space p r o v i d e d space a n d space c o r r e s p o n d i n g space c u m u l a t i v e f r e q u e n c i e s space a r e space g i v e n. S t e p s colon 1 right parenthesis space M a r k space l o w e r space l i m i t s space o n space X minus a x i s space a n d space c o r r e s p o n d i n g space c f apostrophe s space o n space Y minus a x i s 2 right parenthesis space P l o t space p o i n t s space left parenthesis 80 comma space 150 right parenthesis comma space left parenthesis 90 comma space 141 right parenthesis comma space left parenthesis 100 comma space 124 right parenthesis space a n d space s o space o n. 3 right parenthesis space J o i n space t h e space p o i n t s space b y space f r e e space h a n d space s m o o t h space c u r v e space t o space g e t space t h e space O g i v e. 4 right parenthesis space C a l c u l a t e space N over 2 equals 150 over 2 equals 75 space a n d space l o c a t e space P equals 75 space o n space Y minus a x i s. 5 right parenthesis space F r o m space P comma space d r a w space a space l i n e space p a r a l l e l space t o space X minus a x i s space i n t e r s e c t i n g space c u r v e space a t space Q. 6 right parenthesis space F r o m space Q comma space d r a w space a space l i n e space p a r a l l e l space t o space Y minus a x i s space i n t e r s e c t i n g space X minus a x i s space a t space M. 7 right parenthesis space T h e space x minus c o o r d i n a t e space o f space M space i s space 116 space a n d space h e n c e space m e d i a n equals 116 end style

Answered by Rashmi Khot | 10 Jun, 2016, 03:14: PM

CBSE Class 10 Answered

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Marks (more than or equal to)	Number of students
80	150
90	141
100	124
110	105
120	60
130	27
140	12
150	0

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CBSE Class 10 Answered

Application Videos

Median of Ungrouped Data

Median of Grouped Data

Median of Grouped data

Concept Videos

About median of grouped data

More concepts related to median of grouped data

Median of grouped data

Median of continuous data

Median of raw data odd, even no.

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