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CENGAGE-STATISTICS-Exercise (Single)
- The AM of the nnumbers x(1),x(2)......x(n) is M. If x(1) is replaced b...
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- The following data give the distribution of heights of students : {:...
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- For a slightly asymmetric distribution, mean and medain are 5 and 6, r...
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- Runs scored by a batsman in 10 innings are : 38, 70,48,34,42,55,63,46,...
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- If mu us the mean of distribution {y(1),f(1)}, then sumf(1)(i(1)-mu) ...
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- The range of the following set of observations 2,3,5,9, 8, 7, 6, 5, 7,...
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- If each observation of a raw data whose variance is sigma is multiplie...
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- If a variable x takes values 0,1,2,..,n with frequencies proportional ...
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- Variance of the data 2,4,6,8,10 is
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- If the standard deviation of 0,1,2,3...9 is K, then the standard devia...
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- For a given distribution of marks, the mean is 35.16 and its standard ...
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- The mean and S.D of 1, 2, 3, 4, 5, 6 is
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- The standard deviation of 25 numbers is 40. If each of the numbers in ...
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- Consider any set of observations x(1),x(2),x(3),..,x(101). It is given...
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- For (2n+1) observations x(1), x(2),-x(2),..,x(n),-x(n) and 0, where al...
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- Let r be the range and S^(2)=(1)/(n-1) sum(i=1)^(n) (x(i)-overline(x))...
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- The standard deviation of variate xi is σ. Then standard deviation of ...
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- The standard deviation of the data 6,5,9,13,12,8,10 is
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- If the mean of 100 observations is 50 and their standard deviations is...
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- The standard deviation of first 10 natural numbers is 8.25 (b) 6.5 (c)...
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