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AAKASH SERIES-MEASURES OF DISPERSION (STATISTICS)-Additional Exercise (Short answer Questions)
- Suppose a population A has 100 observations 101, 102,… 20, and another...
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- In a series of 2n observations, half of them equals to a and remaining...
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- The standard deviations of two sets containing 10 and 20 members are 2...
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- If sum(i=1)^(18)(x(i) - 8) = 9 and sum(i=1)^(18)(x(i) - 8)^(2) = 45 th...
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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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