Advertisements
Advertisements
प्रश्न
|bxy + byx | ≥ ______.
विकल्प
|r|
2 |r|
r
2r
Advertisements
उत्तर
|bxy + byx | ≥ 2 |r|.
Explanation:
`(bxy+b/(xy))/2≥sqrt(bxy*b/(xy))`
`(bxy+b/(xy))/2≥sqrt(b^2)`
bxy + `b/(xy)≥2b`
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.
In the regression equation of Y on X
Choose the correct alternative.
‘r’ is __________.
bxy and byx are _______.
Choose the correct alternative.
Corr (x, y) = _____
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:
Regression analysis is used for measuring the degree of the relationship between the variables
Dependent variables are also known as ______
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:
The term Uiin regression equation is a ______.
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______.
