###### Advertisements

###### Advertisements

**Choose the correct alternative:**

The regression line is obtained by

#### Options

Minimizing the sum of squares of deviations of the predicted values from the observed values

Minimizing the sum of deviations of the predicted values from the observed values

Maximizing the sum of squares deviations of the predicted values from the observed values

Maximizing the sum of deviations of the predicted values from the observed values

###### Advertisements

#### Solution

**Minimizing the sum of squares of deviations of the predicted values from the observed values**

#### APPEARS IN

#### RELATED QUESTIONS

For the certain bivariate data on 5 pairs of observations given

∑x = 20, ∑y = 20, ∑x^{2} = 90, ∑y^{2} = 90, ∑xy = 76

**Calculate: **

- cov(x, y)
- b
_{yx}and b_{xy} - r

Following table shows the all India infant mortality rates (per '000) for years 1980 to 2010:

Year |
1980 | 1985 | 1990 | 1995 | 2000 | 2005 | 2010 |

IMR |
10 | 7 | 5 | 4 | 3 | 1 | 0 |

Fit the trend line to the above data by the method of least squares.