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NDA PREVIOUS YEARS-STATISTICS-MCQs
- The mean of 20 observation is 12. On checking, it was found that two o...
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- The arithmetic mean of the squares of the first n natural numbers is
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- Consider the following statements : 1. Both the regression coefficie...
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- Which one of the following measures is determined only after the const...
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- Coefficient of correlation is the measure of
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- What is the variance of the first 11 natural numbers ?
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- Consider the following statements: 1. The algebraic sum of the devia...
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- Consider the following statements : 1. Pie diagrams are suitable for...
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- The variance of 20 observation is 5. If each observation is multiplied...
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- For two variables x and y, the two regression coefficients are b(yx)=-...
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- The variance of numbers x(1),x(2),x(3),…..x(n) is V. Consider the foll...
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- What is the mean of the squares of the first 20 natural numbers ?
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- The cumulative frequency of the largest observed value must always be ...
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- Let X denote the number of scores which exceed 4 in 18, tosses of a sy...
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- Number of telephone cells received in 245 succesive one minute interva...
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- Number of telephone cells received in 245 succesive one minute interva...
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- Number of telephone cells received in 245 succesive one minute interva...
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- The mean and standrad deviation of 100 items are 50, 5 and that of 150...
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- The mean and standrad deviation of 100 items are 50, 5 and that of 150...
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- The mean and standrad deviation of 100 items are 50, 5 and that of 150...
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