Triples and Home Runs The data below show the number of three-base hits (triples) and the number of home runs hit during the season by a random sample of MLB teams. Triples 30 31 30 20 19 22 Home runs 305 315 305 205 195 225 Send data to Excel   The correlation coefficient for the data is  =r1  and  =α0.05 . Should regression analysis be done?   The regression analysis should not be done.     The regression analysis should be done.     Find the equation of the regression line. Round the coefficients to at least three decimal places, if necessary.   =y′+abx     =a     =b     Find  y′  when  =x19 . Round your answer to at least three decimal places, if necessary.   =y′

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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Triples and Home Runs The data below show the number of three-base hits (triples) and the number of home runs hit during the season by a random sample of MLB teams.

Triples
30
31
30
20
19
22
Home runs
305
315
305
205
195
225
Send data to Excel
 
The correlation coefficient for the data is 
=r1
 and 
=α0.05
. Should regression analysis be done?
 
The regression analysis should not be done.
 
 
The regression analysis should be done.
 
  Find the equation of the regression line. Round the coefficients to at least three decimal places, if necessary.
 
=y′+abx
 
 
=a
 
 
=b
 
  Find 
y′
 when 
=x19
. Round your answer to at least three decimal places, if necessary.
 
=y′
 
 
 
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