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AAKASH SERIES-MEASURES OF DISPERSION (STATISTICS)-Exercise - II
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- The sum of 10 items is 12 and sum of their squares is 18, then standar...
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- In a series of 2n observatiobs, half of them equal to a and remaining ...
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- If sum(i=1)^(18) (x(i) - 8) = 9 and sum(i=1)^(18) (x(i) - 8)^(2) = 45...
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- Mean of 40 terms is 25 and S.D. is 4, then find the sum of the squares...
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- Let x(1), x(2),…,x(n) be n observations such that sum x(i)^(2) = 400 a...
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- In an experiment with 15 observations on a, the following results were...
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