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प्रश्न
Choose the correct alternative.
Corr (x, y) = _____
पर्याय
corr (x,x)
corr (y,y)
corr (y,x)
cov (y,x)
उत्तर
Corr (x, y) = corr (y,x).
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संबंधित प्रश्न
Choose the correct alternative:
Regression analysis is the theory of
Choose the correct alternative:
We can estimate the value of one variable with the help of other known variable only if they are
Choose the correct alternative.
bXY is _____
Choose the correct alternative.
bYX > 1 then bXY is _______
|bxy + byx | ≥ _______
Choose the correct alternative.
Corr `("x - a"/"c", "y - b"/"d")` = - corr (x, y) if,
Choose the correct alternative.
Regression equation of Y on X is ____
State whether the following statement is True or False:
The variable used for predicting the response is called the independent variable
The term regression was used by:
A process by which we estimate the value of dependent variable on the basis of one or more independent variables is called:
In the regression equation Y = β0 +β1 X, the Y is called:
The term Uiin regression equation is a ______.
Define Regression.
Mention the uses of Regression Analysis.
If Y = 2 - 0.2X, then the value of the Y-intercept is equal to ______.
Find the regression equation Y on X and X on Y for the following data:
| Y | 45 | 48 | 50 | 55 | 65 | 70 | 75 | 72 | 80 | 85 |
| X | 25 | 30 | 35 | 30 | 40 | 50 | 45 | 55 | 60 | 65 |
