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Statistics Test...

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  • Question 1
    4 / -1

    If correlation between x and y is r, then between y and x correlation will be

  • Question 2
    4 / -1

    The variables x and y represent height in cm and weight in gm respectively. The correlation between x and y has the unit

  • Question 3
    4 / -1

    The coefficient of correlation for the following will be approximately

  • Question 4
    4 / -1

    If
    x 3 4 8 6 2 1
    Y 5 3 9 6 9 2
    then the coefficient of correlation will be approximately

  • Question 5
    4 / -1

    For the following data
    x 10 7 12 12 9 16 12
    y 6 4 7 8 10 7 10
    the value of r will be

  • Question 6
    4 / -1

    For the data
    x 4 7 8 3 4
    y 5 8 6 3 5

    the Karl Pearson\'s coefficient is

  • Question 7
    4 / -1

    If X and Y are independent variable, then correlation coefficient is

  • Question 8
    4 / -1

    If the coefficient of correlation is positive, then for the values of the variables x,y when the value of x increases perfectly, then

  • Question 9
    4 / -1

    Two numbers within the bracket denote the ranks of 10 students of a class in two subject : (1, 10), (2, 9), (3, 8), (4, 7), (5, 6), (6, 5), (7, 4), (8, 3), (9, 2), (10, 1), then rank correlation coefficient is

  • Question 10
    4 / -1

    The value of the correlation coefficient between two variables lies between

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