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Statistics Test...

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  • Question 1
    4 / -1

    The correlation coefficient of two variables x and y is 0.8. The regression coefficient of y on x is 0.2, then the regression coefficient of x on y is

  • Question 2
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  • Question 3
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    If the lines of regression are 3x + 12y = 19 and 3y + 9x = 46, then rxy will be

  • Question 4
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    If θ is the angle between two regression lines with correlation coefficient γ, then

  • Question 5
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  • Question 6
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    The resultant of two forces 3P and 2P is R, if the first force is doubled, the resultant is also doubled. Theangle between the forces is

  • Question 7
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  • Question 8
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    The maximum resultant of two forces is P and the minimum resultant is Q, the two forces are at right angles, the resultant is

  • Question 9
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    A force is resolved into components P and Q equally inclined to it. Then,

  • Question 10
    4 / -1

    The resultant of two equal forces is equal to either of these forces. The angle between them is

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