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  • The distribution of heights (in cm) of 96 children is given below Height (in cm) Number of children 124-128 128-132 132-136 136-140 140-144 144-148 148-152 152-156 156-160 160-164 5 8 17 24 16 12 6 4 3 1 Draw a less than type cumulative freque

The distribution of heights (in cm) of 96 children is given below :               

Height (in cm) Number of children
124-128
128-132
132-136
136-140
140-144
144-148
148-152
152-156
156-160
160-164		 5
8
17
24
16
12
6
4
3
1

Draw a less than type cumulative frequency curve for this data and use it to compute median height of the children.

Answers (1)

Answer.          [139]
Solution.            

Height Number of children
less than 124
less than 128
less than  132
less than 136
less than  140
less than  144
less than  148
less than  152
less than  156
less than  160
less than  164		 0
5
13
30
54
70
82
88
92
95
96

\frac{n}{2}= \frac{96}{2}= 48
Hence the median is = 139

 

Posted by

infoexpert27

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