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Measures of Dis...

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  • Question 1
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    Find the Standard Deviation of the following data:
    $$5,9,8,12,6,10,6,8$$

  • Question 2
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    Find the variance of first $$10$$ multiples of $$3$$.

  • Question 3
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    Standard Deviation of first n natural numbers.

  • Question 4
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    Variance of first $$n$$ natural numbers.

  • Question 5
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    Standard Error of Mean is defined as ________.

  • Question 6
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    Directions For Questions

    Factory$$A$$$$B$$
    Number of Workers$$4000$$$$5000$$
    Mean Wages$$3500$$$$3500$$
    Variance in wages$$64$$$$81$$

    ...view full instructions

    Which factory has more variation in wages?

  • Question 7
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    The Standard error is denoted by__________.

  • Question 8
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    A sampling distribution of means is______________.

  • Question 9
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    The variance of six observations is given as $$16$$ and mean is $$8$$. If each observation is multiplied by $$3$$.
    Find the new variance:

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

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