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Coefficient of variation of two distributions are 50 and 60, and their arithmetic means are 30 and 25 respectively. Difference of their standard deviation is(a) 0 (b) 1 (c) 1.5 (d) 2.5 |
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Answer» Coefficient of variation of two distributions are 50 and 60, and their arithmetic means are 30 and 25 respectively. Difference of their standard deviation is (a) 0 (b) 1 (c) 1.5 (d) 2.5 |
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