Find the mean deviation about the mean o...

Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5, 16, 18

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PATHFINDER-STATISTICS-QUESTION BANK

The median of a set of 9 distinct observations 20.5. If each of the la...
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A set of numbers consisting of three 4's, five 5's, six 6's, eight 8's...
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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 median of the data : 34, 23, 46, 37,...
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Find the mean if the coefficient of variation is 5% and variance is 4.
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If co-efficient of variation = 45% and mean = 24. Find the standard De...
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Two variables x and y are related by y = 2-3x If the S.D of x be 1.5 t...
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The variance of first n natural numbers is 44. Find the value of n.
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Find the range for the following frequency distribution :
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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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