The Association of Turkish Travel Agencies reports the number of foreign tourists visiting Turkey and tourist spending by year. The scatterplot below shows the relationship between these two variables along with the least squares fit. 20 10 5000 10000 15000 20000 25000 -1500 -750 750 1500 Number of tourists (in thousands) Residuals 000s 0000L 0009 000L 0007 Spending (in million $)

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 34EQ
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2. Can you please help me understand theese grapsh by answering theese question. THank you in advance. 

The Association of Turkish Travel Agencies reports the number of foreign tourists visiting Turkey and tourist
spending by year. The scatterplot below shows the relationship between these two variables along with the
least squares fit.
20
10
5000
10000
15000 20000
25000
-1500 -750
750
1500
Number of tourists (in thousands)
Residuals
0009
0000L
0009
000L
0007
Spending (in million $)
Transcribed Image Text:The Association of Turkish Travel Agencies reports the number of foreign tourists visiting Turkey and tourist spending by year. The scatterplot below shows the relationship between these two variables along with the least squares fit. 20 10 5000 10000 15000 20000 25000 -1500 -750 750 1500 Number of tourists (in thousands) Residuals 0009 0000L 0009 000L 0007 Spending (in million $)
a) Describe the relationship between number of tourists and spending.
b) What are the explanatory and response variables?
c) Why might we want to fit a regression line to these data?
d) Do the data meet the conditions required for fitting a least squares line? In addition to the scatterplot,
use the residual plot and histogram to answer this question.
Transcribed Image Text:a) Describe the relationship between number of tourists and spending. b) What are the explanatory and response variables? c) Why might we want to fit a regression line to these data? d) Do the data meet the conditions required for fitting a least squares line? In addition to the scatterplot, use the residual plot and histogram to answer this question.
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The Association of Turkish Travel Agencies reports the number of foreign tourists visiting Turkey and tourist spending by year. Three plots are provided: scatter- plot showing the relationship between these two variables along with the least squares fit, residuals plot, and histogram of residuals.

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