Lesson: Least Squares Regression Line
In this lesson, we will learn how to find and use the least squares regression line equation.
Sample Question Videos
Worksheet: 25 Questions • 2 Videos
The scatterplot shows a set of data for which a linear regression model appears appropriate.
The data used to produce this scatterplot is given in the table shown.
Calculate the equation of the least squares regression line of on , rounding the regression coefficients to the nearest thousandth.
Using the information in the table, find the regression line . Round and to 3 decimal places.
|Cultivated Land in Feddan||126||13||104||180||38||161||14||99||55||177|
|Production of a Summer Crop in Kilograms||160||40||80||340||260||200||280||280||140||100|
The table shows the price of a barrel of oil and the economic growth. Using the information in the table, find the regression line . Round and to 3 decimal places.
|Price of One Barrel of Oil in Dollars||50.40||55.30||63||70.70||83.60||94.10||102.50||118|
|Economic Growth Rate||0.5||0.5||1||2.8||3.9||4.9||5|