Concept explainers
The solution of the least square regression line for the points by using graphing utility.
Answer to Problem 55E
Explanation of Solution
Given information:
Solve the system for
The system of the equations are:
Calculation:
To find the least square regression line for the given points, firstly solve the system for
Divide both sides of first equations by five and divide the equation second by ten:
Subtract equation
Substitute the value of
Substitute the value of
Now, verify the result by using graphing utility are as shown below:
The equation of the least square line is
Chapter 7 Solutions
EBK PRECALCULUS W/LIMITS
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning