following are the height of 10 boys (in cm) , calculate the mean height 134, 141 , 146, 145, 152, 153, 158, 150, 130, 138. standard 8th
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Step-by-step explanation:
144.7. is the total height of 10 boys in cm
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Given:
Total number of boys = 10
The heights of 10 boys are : 134, 141 , 146, 145, 152, 153, 158, 150, 130, 138.
To find:
The mean of the heights.
Solution:
We have the heights of 10 boys and we have to calculate the mean of the heights.
To find the mean height we will find the sum of all 10 heights and then divide it with the total number of boys.
The sum of heights = 134 + 141 + 146 + 145 + 152 + 153 + 158 + 150 + 130 + 138
= 1447
Now, the mean height will be = 1447/10 = 144.7
Therefore the mean height will be 144.7
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