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CBSE Class 10 Answered

The following distribution shows the heights of students of a certain school. Find the modal height. Height (in cm) No. of students 160-162 15 163-165 118 166-168 142 169-171 127 172-174 18
Asked by Topperlearning User | 10 Apr, 2014, 04:16: PM
answered-by-expert Expert Answer
Here the classes are in discontinuous form. So, first convert the classes into continuous form.
 
Now, subtract the adjustment factor from each lower limit and add to each upper limit.
 
Height (in cm)
No. of students
159.5-162.5
15
162.5-165.5
118
165.5-168.5
142
168.5-171.5
127
171.5-174.5
18
 
Answered by | 10 Apr, 2014, 06:16: PM
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