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  • Question 1
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    Variance of first $$20 $$ natural number is 

  • Question 2
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    Directions For Questions

    The bar graph below shows the number of cars passing through a toll tax.

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    Find the total number of cars passed through the toll tax.

  • Question 3
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    The maximum value a correlation coefficient can have is

  • Question 4
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    Value of each sample observation is decreased by $$25$$, the range of the sample observation will ____________.

  • Question 5
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    Directions For Questions

    Study the bar graph given and answer the questions.

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    From 2011 to 2016, find the difference between the total number of people who preferred to play Basketball and Badminton (in millions)?

  • Question 6
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    Lottery method is an example of _______ sampling.

  • Question 7
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    Range of a set of values is $$60$$ and maximum value in the series is $$80$$. The minimum value of the series is _______.

  • Question 8
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    Which measure of dispersion is most affected by extreme values?

  • Question 9
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    The first quartile is also known as ______.

  • Question 10
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    The Additive Model of a time series is expressed as :

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