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PUNEET DOGRA-STATISTICS-PRE YEAR QUESTIONS
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- Consider the following statements in respect of histogram. I. The al...
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- Consider the following statements in respect of a histogram: 1. The ...
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- The variance of 20 observations is 5. If each observation is multiplie...
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- The marks obtained by 13 students in a test are 10, 3, 10, 12. 9. 7. 9...
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- Consider the following statements: I Both variance and standard devi...
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- Variance is always independent of the change of
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- The standard deviation of the observations 5, 5,5,5,5 is
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- Consider the following frequency distribution If the total of ...
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- The average marks obtained by the students in a class are 43. If the a...
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- If two lines of regression are perpendicular, then the correlation coe...
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- Marks obtained by 7 students in a subject are 30,55,75,50,50,60,39. Th...
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- If the algebraic sum of deviations of 20 observation measured from 23 ...
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- What is the standard deviation of numbers 7, 9, 11. 13, 15
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- The mean of 10 observations is 5. If 2 is added to each observation an...
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- The median of 27 observations of a variable is 18 Three more observati...
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- Represent the following data by frequency curve :
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- What is the mean of n odd natural numbers. (a)n (b)(n+1)/(2) (c)(n(...
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- The arithmetic mean of numbers a, b, c,d, e is M What is the value of ...
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- The monthly family expenditure (in %) on n different items are follow...
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