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NDA PREVIOUS YEARS-STATISTICS-MCQs
- The variance of 20 observation is 5. If each observation is multiplied...
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- The mean and the variance 10 observations are given to be 4 and 2 resp...
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- Which one of the following measures of central tendency is used in con...
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- The correlation coefficient between two variables X and Y is found to ...
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- Which of the following statements is/are correct in respect of regress...
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- A set of annual numerical data, comparable over the years, is given fo...
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- The mean of five numbers is 30. If one number is excluded, their mean ...
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- The 'less than' ogive curve and the 'more than' ogive curve intersect ...
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- The geometric mean of the observation x(1),x(2),x(3),……..,(n) is G(1),...
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- The arithmetic mean of 1, 8, 27, 64,………..up to an terms is given by
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- The regression coefficients of a bivariate distribution are -0.64 and ...
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- What is the mean deviation from the mean of the numbers 10, 9, 21, 16,...
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- If the total number of observations is 20,sumxi = 1000 and sum xi^2 = ...
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- The mean of the series x1, x2,...xn is barX. If x2 is replaced by lamb...
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- For the data 3, 5, 1, 6, 5, 9, 5, 2, 8, 6 the mean, median and mod...
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- Consider the following statements in respect of a histogram: 1. The ...
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- Consider the following statements: 1. The mean and median are equal ...
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- The scores of 15 students in an examination were recorded as 10,5,8,16...
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- For 10 observations on price (x) and supply(y), the following data was...
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- In a study of two groups, the following resutls were obtained |{:(,"...
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