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Online Tests
Statistics Ics Part 2 Chapter 5 Online Test MCQs With Answers
Question # 1
If b
yx
= 0.89 and b
xy
= 0.75, then r=
Choose an answer
0.89
0.28
0.98
0.82
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Question # 2
The variable, that forms the basis of estimation, is called_______.
Choose an answer
Regression
Regressor
Regressand
Estimated
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Question # 3
Choose an answer
37
132
32
cannot be calculated
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Question # 4
A data points falling along a straight line is called______.
Choose an answer
Linear relationship
Non-linear relationship
Linear positive
Scatter diagram
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Question # 5
r is the ------------ of two regression co-efficient b
yx
and b
xy
Choose an answer
arithmetic mean
geometric mean
harmonic mean
median
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Question # 6
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S
xy
S
yx
b
xy
b
yx
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Question # 7
When b
xy
is positive, then b
yx
will be _______.
Choose an answer
Negative
Positive
Zero
One
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Question # 8
The value of the coefficient of correlation relies between__________.
Choose an answer
-1 and +1
0 and 1
-1 and 0
-0.5 and + 0.5
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Question # 9
The estimated regression line always passes through
Choose an answer
origin
x-axis
y-axis
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Question # 10
The straight line graph of the linear equation Y = a + bX, the slope will be upward it_______.
Choose an answer
b = 0
b < 0
b > 0
b ≠ 0
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Question # 11
The _______ regression line always passes through (X̅, y̅).
Choose an answer
Opposite
Estimated
Estimates
Random
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Question # 12
r
xy
-------------- r
yx
Choose an answer
=
<
>
≠
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Question # 13
If the value of any regression coefficient is zero, then two variable are _______.
Choose an answer
Qualitative
Correlation
Dependent
Independent
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Question # 14
The measures of strength of closeness of linear relationship between two variables is called
Choose an answer
simple linear regression
composite linear regression
simple linear correlation
composite linear correlation
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Question # 15
The regression equation always passes throught_________.
Choose an answer
(X, Y)
(X, y̅)
(X̅, Y)
(X̅, y̅)
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Question # 16
Choose an answer
y-intercept
x-intercept
slope
none of these
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Question # 17
Choose an answer
b
yx
b
xy
S
p
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