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Find the mean, variance and standard deviation for the following data: 227,235,255,269,292,299,312,321,333,348

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RD SHARMA ENGLISH-STATISTICS-All Questions
  1. Find the mean variance and standard deviation for the following data: ...

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  2. Find the mean, variance and standard deviation for the following data:...

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  3. Find the mean, variance and standard deviation for the following dat...

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  4. The variance of 20 observations is 5. If each observation is multiplie...

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  5. The variance of 15 observations is 4. If each observations increased b...

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  6. The mean of 5 observations is 4.4 and their variance is 8.24. If three...

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  7. The mean and standard deviation of six observations are 8 and 4, re...

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  8. The mean and variance of eight observations are 9 and 9.25, respect...

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  9. For a group of 200 candidates, mean was found to 40 but it was discove...

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

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  11. The mean and standard deviation of 20 observations are found to be 1...

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  12. The mean and standard deviation of a group of 100 observations were...

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  13. Show that the two formulae for the standard deviation of ungrouped d...

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  14. Find the variance and standard deviation for the following distribu...

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  15. Table below shows the frequency f with which x alpha particles were ra...

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  16. Calculate the mean and S.D for the following data: Expenditure (in...

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

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

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

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

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