Consider the following data on y = number of songs stored on an MP3 player and x = number of months the user has owned the MP3 player for a sample of 15 owners of MP3 players. x y 22 485 34 748 2 81 28 581 5 117 32 728 23 445 10 128 4 61 26 476 1 35 8 121 13 266 9 126 5 141
Consider the following data on y = number of songs stored on an MP3 player and x = number of months the user has owned the MP3 player for a sample of 15 owners of MP3 players. x y 22 485 34 748 2 81 28 581 5 117 32 728 23 445 10 128 4 61 26 476 1 35 8 121 13 266 9 126 5 141
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Consider the following data on y = number of songs stored on an MP3 player and x = number of months the user has owned the MP3 player for a sample of 15 owners of MP3 players.
x | y |
---|---|
22 | 485 |
34 | 748 |
2 | 81 |
28 | 581 |
5 | 117 |
32 | 728 |
23 | 445 |
10 | 128 |
4 | 61 |
26 | 476 |
1 | 35 |
8 | 121 |
13 | 266 |
9 | 126 |
5 | 141 |
What is the equation of the estimated regression line? (Round your numerical values to four decimal places.)
y =
Is the simple linear regression model useful for describing the relationship between x and y? Test the relevant hypotheses using a significance level of 0.05. Calculate the test statistic. (Round your answer to two decimal places.)
t =
find the P-value for this test? (Round your answer to four decimal places.)
P-value=
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