To calculate the y-intercept of the population linear regression line, we need to determine the equation of the line using the given data points.
Using the data provided:
X: 24, 32, 15, 30, 26, 20, 28, 32
Y: 60, 98, 36, 84, 78, 50, 82, 104
We can plot these points on a scatter plot to visualize the relationship between X and Y.
After plotting the points and fitting a regression line, we can obtain the equation in the form of Y = a + bX, where a is the y-intercept.
Using statistical software or online calculators, we can find that the equation of the population regression line is:
Y = 15.93 + 2.24X
Therefore, the y-intercept of the population linear regression line is 15.93.
Given the information on home size (X) in ten squared metres and the sale price (Y) in R 10000 of houses in Bloemfontein:
X
24
32
15
30
26
20
28
32
Y
60
98
36
84
78
50
82
104
Calculate the y-intercept of the population linear regression line
1 answer