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Measures of Dis...

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  • Question 1
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    The mean of distribution is $$22.2$$ and its mode is $$23.3$$. The median is _______.

  • Question 2
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    If the group data has open end classes, one cannot calculate ________.

  • Question 3
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    If modal value is not clear in a distribution, it can be ascertained by the method of ________.

  • Question 4
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    If for a series the arithmetic mean is $$25$$ and the harmonic mean is $$9$$, what is the geometric mean?

  • Question 5
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    The standard deviation of $$10, 16, 10, 16, 10, 10, 16, 16$$ is?

  • Question 6
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    Directions For Questions

    The following table gives the distribution of daily wages of $$900$$ workers. However, the frequencies of the two classes $$40-50$$ and $$60-70$$ are missing. If the median of the distribution is Rs. $$59.25$$, find the missing figures.

    ...view full instructions

    Class Intervals$$30-40$$$$40-50$$$$50-60$$$$60-70$$$$70-80$$
    Frequency$$120$$?$$200$$?$$185$$
    Cumulative Frequency$$120$$???$$900$$
    Cumulative frequency for class $$50-60=$$?

  • Question 7
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    The geometric mean of $$3, 6, 24 and 48$$ is ______.

  • Question 8
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    Sum of the deviations about mean is ______.

  • Question 9
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    Harmonic mean gives more weight age to _______.

  • Question 10
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    In a frequency distribution with open ends, one cannot find out ______.

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