Data from a small bookstore are shown in the accompanying table. What is the value of R squared and what does it mean? What is the value of R squared ? What does the value of R squared mean?
Data from a small bookstore are shown in the accompanying table. What is the value of R squared and what does it mean? What is the value of R squared ? What does the value of R squared mean?
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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Question
Data from a small bookstore are shown in the accompanying table. What is the value of R squared and what does it

Transcribed Image Text:The table presents data on the number of salespeople working and the corresponding sales figures in thousands of dollars.
**Number of Salespeople Working:**
- 3
- 4
- 5
- 9
- 11
- 11
- 12
- 13
- 17
- 18
**Sales (in $1000):**
- 11
- 12
- 13
- 15
- 18
- 20
- 20
- 22
- 22
- 26
**Statistical Summary:**
- Mean (average) number of salespeople working, \( \bar{x} \): 10.3
- Standard deviation of the number of salespeople working, SD(x): 5.14
- Mean (average) sales in thousands of dollars, \( \bar{y} \): 17.9
- Standard deviation of the sales, SD(y): 4.98
This table is useful for analyzing the relationship between the number of salespeople and sales performance, providing insights into how workforce size may correlate with sales outcomes.
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