Harmonic mean of 1, 1/2 and 1/3...

Harmonic mean of 1, 1/2 and 1/3

`1/3`

`1/2`

none of these

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UNITED BOOK HOUSE-Jadavpur Vidyapith, Question Paper -Exercise

Class width of a class interval is defined as
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A line diagram is used to represent.
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Harmonic mean of 1, 1/2 and 1/3
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Standard deviation of 1, 2, 3, 4, 5 is 2. Then standard deviation of (...
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if 3y + 4x = 8 and QD(y) = 12, then value of QD(x) is
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Define primary data with an example.
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Define class boundary.
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Name the various parts of a table.
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What are represented along the horizontal axis and vertical axis in dr...
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A variable assumes the values x1, x2,……..,x^n with frequencies f1, f2,...
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Mean and median of a frequency distribution are 24 and 26.5 respective...
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In a frequency distribution having 6 class intervals the total frequen...
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If arithmetic mean and coefficient of variation of a variable x are 10...
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Discuss Questionnaire Method and Interviewer Method.
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Discuss the method of drawing a Histogram with an example.
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If G1, G2 and G denotes GM of the first group, GM of the second group ...
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If SD of first n odd positive integers is sqrt133, find n.
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Give an example of intensive variable.
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Find the mean deviation about mean of two values x1 and x2.
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Express standard deviation of the composite group in terms of number o...
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