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Below is a scatterplot, excluding District of Columbia, displaying the relationship between the percent of families that own their home and the percent of the population living in urban areas. Below is also the residuals plot. There were 51 cases. A. For these data, R2 = 0.28. What is the correlation? How can you tell if it is positive or negative? B. Examine the residual plot. What do you observe? Is a simple least squares fit appropriate for these data?

Below is a scatterplot, excluding District of Columbia, displaying the relationship between the percent of families that own their home and the percent of the population living in urban areas. Below is also the residuals plot. There were 51 cases. A. For these data, R2 = 0.28. What is the correlation? How can you tell if it is positive or negative? B. Examine the residual plot. What do you observe? Is a simple least squares fit appropriate for these data?

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.5: Percents
Problem 15WE
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Below is a scatterplot, excluding District of Columbia, displaying the relationship between the percent of families that own their home and the percent of the population living in urban areas. Below is also the residuals plot. There were 51 cases.

A. For these data, R2 = 0.28. What is the correlation? How can you tell if it is positive or negative?

B. Examine the residual plot. What do you observe? Is a simple least squares fit appropriate for these data?

 
40 60 80 % urban population 10 % who own home -10 55 65 75 09
Transcribed Image Text:40 60 80 % urban population 10 % who own home -10 55 65 75 09
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