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Calculate the standard deviation for the...

Calculate the standard deviation for the following data: Class 0-30 30-60 60-90 90-120 120-150 150-180 180-210 Frequency: 9 17 43 82 81 44 24

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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

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Find the mean, median and mode of the following data: Classes: 0-20 20-40 40-60 60-80 80-100 100-120 120-140 Frequency: 6 8 10 12 6 5 3

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Calculate mean deviation from the median of the following data: Class interval: 0-6 6-12 12-18 18-24 24-30 Frequency 4 5 3 6 2

Calculate mean deviation from the median of the following data: Class interval: 0-6 6-12 12-18 18-24 24-30 Frequency 4 5 3 6 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

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RD SHARMA ENGLISH-STATISTICS-All Questions
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  2. Calculate the mean and S.D for the following data: Expenditure (in...

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  3. Calculate the standard deviation for the following data: Class 0-...

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  4. The mean and standard deviation of 100 observations were calculated as...

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  5. Calculate the mean, median and standard deviation of the following ...

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  6. Calculate mean, variance and standard deviation of the following fr...

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  7. An analysis of monthly wages paid to workers in two firms A and B, bel...

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  8. An analysis of monthly wages paid to workers in two firms A and B, bel...

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  9. The following values are calculated in respect  of heights and weights...

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  10. If the heights of 5 persons are 140 cm, 150cm,158cm, 152 cm and 161 cm...

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  11. The sum and sum of squares corresponding to length x (in cm) and weigh...

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  12. Two plants A and B of a factory show following results about the numbe...

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  13. find the mean salary of 60 workers of a factory from the given table

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  14. The means and standard deviations of heights ans weights of 50 student...

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  15. The means and standard deviations of heights ans weights of 50 student...

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  16. Coefficient of variation of two distributions are 60% and 70% and thei...

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  17. Calculate coefficient of variation from the following data: Income ...

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  18. An analysis of the weekly wages paid to workers in two firms A and B, ...

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  19. An analysis of monthly wages paid to workers in two firms A and B, bel...

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  20. The mean and standard deviation of marks obtained by 50 students of a ...

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