USE EXCEL 4-1 Consider the following sample data for the relationship between advertising budget and sales for Product A: Observation 1 2 3 4 5 6 7 8 9 10 Advertising ($) 40,000 50,000 50,000 60,000 70,000 70,000 80,000 80,000 90,000 100,000 Sales ($) 239,000 315,000 311,000 363,000 432,000 438,000 493,000 486,000 535,000 603,000 What is the slope of the "least-squares" best-fit regression line? Please round your answer to the nearest hundredth.
USE EXCEL 4-1 Consider the following sample data for the relationship between advertising budget and sales for Product A: Observation 1 2 3 4 5 6 7 8 9 10 Advertising ($) 40,000 50,000 50,000 60,000 70,000 70,000 80,000 80,000 90,000 100,000 Sales ($) 239,000 315,000 311,000 363,000 432,000 438,000 493,000 486,000 535,000 603,000 What is the slope of the "least-squares" best-fit regression line? Please round your answer to the nearest hundredth.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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USE EXCEL
4-1
Consider the following sample data for the relationship between advertising budget and sales for Product A:
| Observation | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Advertising ($) | 40,000 | 50,000 | 50,000 | 60,000 | 70,000 | 70,000 | 80,000 | 80,000 | 90,000 | 100,000 |
| Sales ($) | 239,000 | 315,000 | 311,000 | 363,000 | 432,000 | 438,000 | 493,000 | 486,000 | 535,000 | 603,000 |
What is the slope of the "least-squares" best-fit regression line?
Please round your answer to the nearest hundredth.
Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.
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