the height (in cm) of 15 students in a certain group are follows: 158, 140, 146, 138, 142, 150, 135, 140, 160, 170, 162, 180, 146, 165, 176. Choose suitable class intervals and draw a histogram.
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Rearrange the data in the ascending order as follows 144, 145, 147, 148, 149, 150, 152, 155 160
Therefore, the number of students is equal to N is equal to 9 ( odd numbers) then median =N + 1 by 2 observation is equal to 9 + 1 by 2 observation is equal to 10 by 2 observation is equal to 5 th observation which is equal to 149 centimetre
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