Redshifts of quasi-stellar objects. Refer to the Journal of Astrophysics & Astronomy (Mar./Jun. 2003) study of redshifts
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Redshifts of quasi-stellar objects. Refer to the Journal of Astrophysics & Astronomy (Mar./Jun. 2003) study of redshifts in quasi-stellar objects presented in Exercise 11.27
(p. 627). Recall that simple linear regression was used to model the magnitude (y) of a quasi-stellar object as a function of the redshift level (x). In addition to the least squares line, yn = 18.13
+ 6.21x, the coefficient of correlation was determined to be r = .84.
a. Interpret the value of r in the words of the problem.
b. What is the relationship between r and the estimated slope of the line?
c. Find and interpret the value of r 2.
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Related Book For
Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package
ISBN: 978-0134090436
13th Edition
Authors: James Mcclave ,Terry Sincich
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