Solution-Find the mean-variance and standard deviation

Find the mean-variance and standard deviation

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Reference no: EM132518720

The following table gives the frequency distribution of the number of houses spent last week on cell phones making phone calls and texting 1 by all 100 student of the tenth grade at school.

Hrs per Week Number of students

0 to less than 4 12
4 to less than 8 16
8 to less than 12 25
12 to less than 16 14
16 to less than 20 17
20 to less than 24 11

Find the mean, variance and standard deviation?

Reference no: EM132518720

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Find the mean-variance and standard deviation : The following table gives the frequency distribution of the number of houses spent last week on cell phones making phone calls and texting

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Find the mean-variance and standard deviation

Reference no: EM132518720

Reference no: EM132518720

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