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PUNEET DOGRA-STATISTICS-PRE YEAR QUESTIONS
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- The geometric mean of the observations x(1),x(2)x(3)…x(n) is G. The g...
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- Calculate coefficient of correlation between series X and Y.
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- The mean and the variance of 10 observations are given to be 4 and 2 r...
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- What is the mean deviation about the mean for the data 4, 7, 8, 9, 10,...
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- The variance of 20 observations in 5 If each observation is multiplied...
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- Consider the following statements in respect of histogram : 1. Histo...
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- Which one of the following statements is/are correct?
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- Calculate the coefficient of rank correlation.
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- Find the variance of first n natural numbers.
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- What is the mean of the squares of the first 20 natural numbers? (a)1...
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- p, q, r, s and t are five numbers such that the average of p. q and r ...
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- The number of telephone calls received in 245 successive one minute in...
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- The number of telephone calls received in 245 successive one minute in...
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- The number of telephone calls received in 245 successive one minute in...
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- Which of the following statements are correct regarding the molecular ...
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- In a less than cumulative frequency distribution, frequency and cumula...
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- The mean and standard diviation of 100 items are 50,5 and of 150 items...
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- The mean and standard deviation of 6 observations are 8 and 4 respecti...
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- The mean and standard deviation of 100 items are 50, 5 and that of 150...
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