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A class teacher has the following absent...

A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent.

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RD SHARMA ENGLISH-STATISTICS-All Questions
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  12. The following is the distribution of height of students of a certain ...

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  13. Following is the distribution of I.Q. of 100 students. Find the median...

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  14. Calculate the median from the following data: Rent (in Rs.):         1...

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  15. Calculate the median from the following data: Marks below:       10   ...

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  16. An incomplete distribution is given as follows: Variable:     0-10   1...

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  17. Calculate the missing frequency from the following distribution, it ...

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  18. Find the missing frequencies in the following frequency distribution i...

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