Advertisements
Advertisements
Question
|bxy + byx | ≥ ______.
Options
|r|
2 |r|
r
2r
Advertisements
Solution
|bxy + byx | ≥ 2 |r|.
Explanation:
`(bxy+b/(xy))/2≥sqrt(bxy*b/(xy))`
`(bxy+b/(xy))/2≥sqrt(b^2)`
bxy + `b/(xy)≥2b`
RELATED QUESTIONS
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.
In the regression equation of Y on X
Choose the correct alternative:
In the regression equation of X on Y
Choose the correct alternative.
bXY is _____
Choose the correct alternative.
bYX > 1 then bXY is _______
bxy and byx are _______.
Choose the correct alternative.
Corr (x, y) = _____
Choose the correct alternative.
Regression equation of Y on X is ____
State whether the following statement is True or False:
Regression analysis is used for measuring the degree of the relationship between the variables
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:
The purpose of simple linear regression analysis is to:
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:
In the regression equation Y = β0 +β1 X, the X is called:
Define Regression.
Mention the uses of Regression Analysis.
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 |
Regression mainly occurs when a person is experiencing______.
