Only b part This scatterplot is for the number of gates in Southwest's top 10 airports, and the year they were established in that airport.Regression PlotGates = -68.4375 + 0.0421922 EstablishedS- 5.08458 R-Sq - 0.4% (r- +0.06)20-6 15-10-197019801990Established(a) In airports where Southwest was more recently established, doestend to have considerably more gates, considerably fewer gates, or neither?O moreO fewerO neither(b) The typical residual size for predicting number of gates, based on the year established, is s = 5. How would this compare to the standard deviation sy of number of gates?O s is much more than Sy.O s is much less than sy.O s is about the same size as Sy-

Here, we see that Gates = -68.4375+0.042Established S = Standard deviation of number of gates = Sy =…

(b) The typical residual size for predicting number of gates, based on the year established, is s = 5. How would this compare to the standard deviation sy of number of gates? O sis much more than sy. s is much less than sy. s is about the same size as sy-

(b) The typical residual size for predicting number of gates, based on the year established, is s = 5. How would this compare to the standard deviation sy of number of gates? O sis much more than sy. s is much less than sy. s is about the same size as sy-

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.6: Regression And Median-fit Lines

Problem 6PPS

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Question

Only b part

This scatterplot is for the number of gates in Southwest's top 10 airports, and the year they were established in that airport.
Regression Plot
Gates = -68.4375 + 0.0421922 Established
S- 5.08458 R-Sq - 0.4% (r- +0.06)
20-
6 15-
10-
1970
1980
1990
Established
(a) In airports where Southwest was more recently established, does
tend to have considerably more gates, considerably fewer gates, or neither?
O more
O fewer
O neither
(b) The typical residual size for predicting number of gates, based on the year established, is s = 5. How would this compare to the standard deviation sy of number of gates?
O s is much more than Sy.
O s is much less than sy.
O s is about the same size as Sy-

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