b. What does the scatter diagram developed in part (a) indicate about the relationship between the tvo variables? The scatter diagram indicates a positive linear relationship between the hotel room rate and the amount spent on entertainment. c. Develop the least squares estimated regression equation. Entertainment = I d. Provide an interpretation for the slope of the estimated regression equation (to 3 decimals). The slope of the estimated regression line is approximately 1.0504 O. So, for every dollar increse entertainment increases by $ 150 ]+ 150 Room Rate (to 4 decimals) in the hotel room rate the amount spent on e. The average room rate in Chicago is $128, considerably higher than the U.S. average. Predict the entertainment expense per day for Chicago (to whole number). $ 150
b. What does the scatter diagram developed in part (a) indicate about the relationship between the tvo variables? The scatter diagram indicates a positive linear relationship between the hotel room rate and the amount spent on entertainment. c. Develop the least squares estimated regression equation. Entertainment = I d. Provide an interpretation for the slope of the estimated regression equation (to 3 decimals). The slope of the estimated regression line is approximately 1.0504 O. So, for every dollar increse entertainment increases by $ 150 ]+ 150 Room Rate (to 4 decimals) in the hotel room rate the amount spent on e. The average room rate in Chicago is $128, considerably higher than the U.S. average. Predict the entertainment expense per day for Chicago (to whole number). $ 150
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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Transcribed Image Text:Hotel Room
Entertainment
Rate (S)
Part a.
Use the area belowto draw a scatter diagram.
City
Boston
(5)
144
159
Denver
100
104
Chart Title
Nashville
88
99
180
New Orleans
Phoenix
San Diego
110
92
142
160
100
140
105
122
120
San Francisco
135
166
100
San Jose
91
141
80
Tampa
80
99
60
40
20
20
40
60
80
100
120
140
160
H
• Series1
Part c.
Formula
=SLOPE (C2C 10,B2:B10)
Slope
1.0504
Intercept
15.4858
|=IN TERCEPT(C2:C10, B2 B10)
Part e.
Room Rate in Chicago
128
Entertainment Expense for
Chicago
150
=G23+G21*G26

Transcribed Image Text:Hotel Room Rate (S)
b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables?
The scatter diagram indicates a positive
vO linear relationship between the hotel room rate and the amount spent on entertainment.
c. Develop the least squares estimated regression equation.
Entertainment = ||
+ 150
* Room Rate (to 4 decimals)
d. Provide an interpretation for the slope of the estimated regression equation (to 3 decimals).
The slope of the estimated regression line is approximately 1.0504 V. So, for every dollar increase
O in the hotel room rate the amount spent on
entertainment increases by $ 150
e. The average room rate in Chicago is $128, considerably higher than the U.S. average. Predict the entertainment expense per day for Chicago (to whole number).
$ 150
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