Find the mean and variance of the data :...

Find the mean and variance of the data : 5, 9, 8, 12, 6, 10, 6, 8

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PATHFINDER-STATISTICS-QUESTION BANK

The standard Deviation of 30 observation of a sample is 4.5 If each ob...
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If the SD of the first numbers even integers be sqrt40, then find numb...
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Find the mean and variance of the data : 5, 9, 8, 12, 6, 10, 6, 8
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Find the SD of first 10 multiples of 3.
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Calculate the mean deviation about median from the data : 340, 150, 21...
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The variance of 20 observations is 5. If each observation be multipli...
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The mean and standard deviation of observations are 8 and 14 respectiv...
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Calculate the mean and standard deviation of the numbers-natural numbe...
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The scores of batsman in 10 matches were as follows : 38, 70, 48, 34, ...
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Prove that if x1and x2 two values of a variable x, so its standard dev...
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Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5...
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Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5...
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Find the SD of first 10 multiples of 3.
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The mean and variance of seven observations are 8 and 16 respectively....
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The mean and variance of seven observations are 8 and 16 respectively....
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The mean and standard deviation of 100 observations were calculated as...
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The mean and S.D. of a sample of size 10 were found to be 9.0 and 2.0 ...
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Let x1,x2,x3,…xn be n values of a variable x. If these values are chan...
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The mean of 5 observation is 4.4 and their variance is 8.24. If three ...
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Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5...
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