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Statistics Ics Part 2 Chapter 5 Online Test MCQs With Answers
Question # 1
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37
132
32
cannot be calculated
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Question # 2
The _______ regression line always passes through (X̅, y̅).
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Opposite
Estimated
Estimates
Random
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Question # 3
The estimated regression line always passes through
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origin
x-axis
y-axis
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Question # 4
The relationship that describes the dependence of the expected value of the dependent random variable for a given value of the independent non-random variable is called
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equation
relation
ratio
regression
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Question # 5
If r = -1, then there is
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negative correlation
perfect negative correlation
no correlation
average correlation
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Question # 6
A data points falling along a straight line is called______.
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Linear relationship
Non-linear relationship
Linear positive
Scatter diagram
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Question # 7
The estimates of the parameters=α and=β are
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μ and=σ2
a and b
μ andπ
χ2 and Z
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Question # 8
Regression line x on y is
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Question # 9
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y-intercept
x-intercept
slope
none of these
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Question # 10
When b
xy
is positive, then b
yx
will be _______.
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Negative
Positive
Zero
One
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Question # 11
r
xy
-------------- r
yx
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=
<
>
≠
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Question # 12
The value of the coefficient of correlation relies between__________.
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-1 and +1
0 and 1
-1 and 0
-0.5 and + 0.5
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Question # 13
The measures of strength of closeness of linear relationship between two variables is called
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simple linear regression
composite linear regression
simple linear correlation
composite linear correlation
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