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Byju's Answer
Standard XII
Mathematics
Graphical Method of Solving Linear Programming Problems
The slope of ...
Question
The slope of the regression line of
Y
on
X
is also called the:
A
Correlation coefficient of X on Y
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B
Correlation coefficient of Y on X
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C
Regression coefficient of X on Y
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D
Regression coefficient of Y on X
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Solution
The correct option is
D
Regression coefficient of Y on X
From correlation & regression theory option D is correct
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Similar questions
Q.
Assertion :If the coefficient of correlation between two variables x & y is 0.4 & the regression coefficient x on y is 0.2, then regression coefficient y on x be 0.8. Reason:
b
y
x
=
r
σ
y
σ
x
&
b
x
y
=
r
σ
x
σ
y
Q.
The regression equation of Y on X is
y
=
2
9
x
and the regression equation of X on Y is
x
=
y
2
+
7
6
Find: a. Correlation coefficient between X and Y.
b.
σ
2
y
if
σ
2
x
=
4
.
Q.
If tangent of the angle made by the line of regression of
y
on
x
is
0.6
and
σ
y
=
2
σ
x
. Find the correlation coefficient between
x
and
y
.
Q.
Which one of the following can be considered as appropriate pair of values of regression coefficient of
y
on
x
and regression coefficient of
x
on
y
?
Q.
From the given data:
Variable
x
y
Mean
6
8
Standard Deviation
4
6
and correlation coefficient:
2
3
. Find Regression line x on y.
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