Question

how to calculate the mean for the height of 10 students?

Answer 1

in order to calculate the mean for the height of 10 students
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if the given data is raw data 

1)add all the given heights 
2)divide them by 10
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if the given data is discrete

1)multiply the heights with the frequency
2)add them 
3)divide them by the total frequency
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if data is continuous

1)find the mid points of the CI
2)multiply them with frequency
3)add all the multiplied values
4)divide them by total frequency

Answer 2

First calculate all the heights given and then divide it by 10.

Hope it helped you.........