Advertisements
Advertisements
Question
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
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, ∑x2 = 90, ∑y2 = 90, ∑xy = 76
Calculate:
- cov(x, y)
- byx and bxy
- 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.
