If A.M. = 24.5, G.M. 24.375 then H.M. =...

If A.M. = 24.5, G.M. 24.375 then H.M. =

24.125

24.5

24.25

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AAKASH SERIES-MEASURES OF DISPERSION (STATISTICS)-Exercise - I

The reciprocal of the mean of the reciprocals of n observations is
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The Harmonic mean of the numbers 2,3,4 is
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If A.M. = 24.5, G.M. 24.375 then H.M. =
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In problems on speed of a body, the average used is
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The H.M. of the numbers 1/5, 1/10, 1/15, 1/20, 1/25, 1/30, 1/35 is
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A man travels at a speed of 20 Km/hr. and then returns at a speed of 3...
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The mean deviation from the mean for the set of observation -1, 0, 4 i...
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Mean deviation from the mean for data 6, 7 10, 12, 13, 4, 8, 12 is
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The mean deviation of the number 3, 4, 5, 6, 7 from median is
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If mean deviation through median is 15 and median is 450, then coeffic...
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In a moderated asymmetrical distribution S.D. is 20 then the mean devi...
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The mean and S.D. of 1,2,3,4,5,6 is
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For a series the information available is n = 10 sum x = 60, sum x^(2)...
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Coefficient of variation of a distribution is 60 and its standard devi...
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If the mean of 10 observations is 50 and the sum of the squares of the...
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Standard deviation of first 'n' natural numbers is
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The variance of the first 50 even natural numbers is
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The median and S.D. of a distribution are 20 and 4 respetively. If eah...
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The standard deviation of 26, 27, 31, 32, 35 is
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The standard deviation of a, a+d, a + 2d,….a + 2nd is
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