a) Use the calculator to find the correlation coefficient r between the lengths of number one songs and the number of weeks the songs were number one. b) Use Table A-6 to find the critical values for r. c) Determine if there is significant linear correlation in the population. Clearly state the conclusion.

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 1AGP
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Question
a) Use the calculator to find the correlation
coefficient r between the lengths of number
one songs and the number of weeks the songs
were number one.
b) Use Table A-6 to find the critical values for r.
c) Determine if there is significant linear
correlation in the population. Clearly state the
conclusion.
Transcribed Image Text:a) Use the calculator to find the correlation coefficient r between the lengths of number one songs and the number of weeks the songs were number one. b) Use Table A-6 to find the critical values for r. c) Determine if there is significant linear correlation in the population. Clearly state the conclusion.
Perform correlation and linear regression
analysis.
18) A songwriter wants to know if there is a
correlation between the length of a number
one song in recent years and the number of
weeks the song was number one. The
following table lists the lengths (in seconds) of
randomly selected number one songs and the
number of weeks the songs were number one
in recent years. Use a significance level of a =
0.05.
Lengt
hs of
numb
er one 42186791932650
songs 14693308155561
(in
secon
ds)
Numb
er of
weeks
the
song
was
numb
222111 12121112
er one.
5355
15
311246316
Transcribed Image Text:Perform correlation and linear regression analysis. 18) A songwriter wants to know if there is a correlation between the length of a number one song in recent years and the number of weeks the song was number one. The following table lists the lengths (in seconds) of randomly selected number one songs and the number of weeks the songs were number one in recent years. Use a significance level of a = 0.05. Lengt hs of numb er one 42186791932650 songs 14693308155561 (in secon ds) Numb er of weeks the song was numb 222111 12121112 er one. 5355 15 311246316
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