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  • Question 1
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    If t is the standard deviation of x, y, z then the standard deviation of x + 5, y + 5, z + 5 is

  • Question 2
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    Which one is correct?
    Statement 1:Positional measure of dispersion describes about the position that a particular data value has within a data set.
    Statement 2:Quartiles and percentiles are positional measure of dispersion.

  • Question 3
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    Which of the following is not a measure of central location?

  • Question 4
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    What is the variance of the first $$11$$ natural numbers?

  • Question 5
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    Directions For Questions

    As median divides an arranged sense into two equal parts, in similar way quartile divides an arranged series in $$4$$ equal part. For ungrouped frequency distribution formula of finding $$i^{th}$$ quartile $$=Q_i=\left\{i\cdot \left(\displaystyle\frac{N+1}{4}\right)\right\}^{th}$$ term, $$i=1, 2, 3$$.
    Quartile deviation: half of difference between upper quartile & lower quartile.
    $$\Rightarrow$$ Quartile deviation(Q.D.)$$=\displaystyle\frac{1}{2}(Q_3-Q_1)$$
    $$\Rightarrow$$ Coefficient of quartile $$=\displaystyle\frac{Q_3-Q_1}{Q_3+Q_1}$$.

    ...view full instructions

    Quartile deviation of the following numbers $$10, 8, 12, 11, 14, 9, 6$$ is?

  • Question 6
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    Quartile Deviation = 

  • Question 7
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    Inter Quartile Range =

  • Question 8
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    Fill the alternative given in the bracket:
    Systematic arrangement of data in table and row is called _________.

  • Question 9
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    In a tabular presentation, data is presented in ______ and ______.

  • Question 10
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    Which of the following is true with respect to range?

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