Sales over the past 10 years are shown below. Using the method of least squares, calculate the values of a and b to complete this regression equation. Year Sales 1 1,000 2 1,770 3 1,950 4 1,750 5 1,880 6 1,360 7 1,130 8 1,800 9 1,010 10 1,900 (Indicate a negative answer using a "-" sign. Do not round intermediate calculations and round your answer to 3 decimal places.) Sales=Answer + Answer x What is your forecast for next year's sales? (Do not round intermediate calculations and round your answer to 2 decimal places.) Sales=Answer

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section: Chapter Questions
Problem 18T
icon
Related questions
Question

Please no written by hand and no emage  

Sales over the past 10 years are shown below. Using the method of least squares, calculate the values of a and b to complete this regression equation. Year Sales 1 1,000 2 1,770 3 1,950 4 1,750 5 1,880 6 1,360 7 1,130 8 1,800 9 1,010 10 1,900 (Indicate a negative answer using a "-" sign. Do not round intermediate calculations and round your answer to 3 decimal places.) Sales=Answer + Answer x What is your forecast for next year's sales? (Do not round intermediate calculations and round your answer to 2 decimal places.) Sales=Answer 

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 7 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Functions and Change: A Modeling Approach to Coll…
Functions and Change: A Modeling Approach to Coll…
Algebra
ISBN:
9781337111348
Author:
Bruce Crauder, Benny Evans, Alan Noell
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning