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32. Statistics
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Q3 of 108 Page 32

Calculate the A.M. and S.D. for the following distribution:

Given, The data is given in table/

To Find: Find the standard deviation


The formula used: SD =


Explanation:



Now, N=79, ,


Mean






Variance = 305.20


Standard Deviation


SD = 17.47


Hence, The standard deviation is 17.47


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Calculate the mean and S.D. for the following data:

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Calculate the standard deviation for the following data:

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A student obtained the mean and standard deviation of 100 observations as 40 and 5.1 respectively. It was later found that one observation was wrongly copied as 50, the correct figure is 40. Find the correct mean and S.D.

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Calculate the mean, median and standard deviation of the following distribution

Questions · 108
32. Statistics
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