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OBJECTIVE RD SHARMA-MEASURES OF CENTRAL TENDENCY-Chapter Test
- The arithmetic mean of first n odd natural numbers, is
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- The arithmetic mean of ""^(n)C(0),""^(n)C(1),""^(n)C(2), ..., ""^(n)C(...
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- The arithmetic mean of the squares of first n natural numbers is
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- Geometric mean of 3, 9 and 27, is
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- If for a moderately skewed distribution, mode = 60 and mean = 66, then...
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- the median of 10, 14, 11, 9, 8, 12, 6 is
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- The mean of discrete observations y(1), y(2), …, y(n) is given by
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- The average of 50 numbers is 38. If the numbers 45 and 55 are disca...
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- The geometric mean of numbers 7, 7^(2),7^(3),…,7^(n), is
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- The sum of deviations of n observations about 25 is 25 and sum of devi...
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- If the sum of the mode and mean of a certain frequency distribution i...
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- The mean weight of 9 items is 15. If one more item is added to the ser...
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- The mode of the data 6,4,3,6,4,3,4,6,3,x can be
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- If the difference between the mode and median is 2, then the differen...
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- If the mean of the following distribution is 13, then p = {:(x(i) :...
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- The mean of a certain number of observations is m. If each observati...
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- The frequency distribution of marks obtained by 28 students in a test ...
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- If the median of (x)/(2),(x)/(3),(x)/(4),(x)/(5),(x)/(6) ("where " x...
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- If the median of the scores 1,2,x,4,5("where " 1 lt 2 lt x lt 4 lt 5) ...
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- Mode of a certain series is x. If each score is decreased by 3, then ...
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