and the amounts of the tips that were left. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of α=0.01. If everyone were to tip with the same percentage, what should be the value of r? Bill (dollars) 30.42 52.60 83.77 89.27 60.05 104.60 Tip (dollars) 5.67 5.67 9.72 9.66 9.02 15.55 The linear correlation coefficient is r= _________. (Round to three decimal places as needed.) The test statistic is t= ___________. (Round to two decimal places as needed.) The P-value is _________. (Round to three decimal pla
and the amounts of the tips that were left. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of α=0.01. If everyone were to tip with the same percentage, what should be the value of r? Bill (dollars) 30.42 52.60 83.77 89.27 60.05 104.60 Tip (dollars) 5.67 5.67 9.72 9.66 9.02 15.55 The linear correlation coefficient is r= _________. (Round to three decimal places as needed.) The test statistic is t= ___________. (Round to two decimal places as needed.) The P-value is _________. (Round to three decimal pla
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Section 10.1
Question #12
Listed below are amounts of bills for dinner and the amounts of the tips that were left. Construct a scatterplot , find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of
α=0.01. If everyone were to tip with the same percentage, what should be the value of r?
|
Bill (dollars)
|
30.42
|
52.60
|
83.77
|
89.27
|
60.05
|
104.60
|
|
|---|---|---|---|---|---|---|---|
|
Tip (dollars)
|
5.67
|
5.67
|
9.72
|
9.66
|
9.02
|
15.55
|
The linear correlation coefficient is r= _________.
(Round to three decimal places as needed.)
The test statistic is t= ___________.
(Round to two decimal places as needed.)
The P-value is _________.
(Round to three decimal places as needed.)
If everyone were to tip with the same percentage, then r= _________
(Round to three decimal places as needed.)
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