Calculate the mean and standard deviatio...

Calculate the mean and standard deviation for the following data: Wages upto (into Rs.) 15 30 45 60 75 90 105 120 No. of workers 12 30 65 107 157 202 222 230

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Calculate the mean and standard deviation using step deviation method for the following data : {:("Class marks"(x_(i)),15,30,45,60,75,90,105,120),("Frequency" (f_(i)),12,14,65,107,157,202,222,230):}

Calculate the mean deviation from the mean for the following data:36,72,46,42,60,45,53,46,51,49

Find the mean, and standard deviation for the following data: (i) Year render: 10 20 30 40 50 60 No. of persons (cumulative): 15 32 51 78 97 109

Find the mean deviation from the median of the following data: 15 21 27 30 3 5 6 7

Calculate the mean deviation from the median of the following data: Wages per week (in Rs.), 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 No. of workers, 4, 6, 10, 20, 10, 6, 4

Calculate the median deviation from the median of the following data: Wages per week (in Rs.), 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 No. of workers, 4, 6, 10, 20, 10, 6, 4

Calculate the mean, variance and standard deviation for the following distribution: Class 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Frequency 3 7 12 15 8 3 2

Calculate the mean and standard deviation for the following distribution: Marks:, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80, 80-90 No. of students:, 3, 6, 13, 15, 14, 5, 4

Calculate the mean and S.D for the following data: Expenditure (in Rs.) 0-10 10-20 20-30 30-40 40-50 Frequency: 14 13 27 21 15

Calculate the mean deviation about median of the following data: 34, 66, 30, 38, 44, 50, 40, 60, 42, 51

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