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) 34.14 47.51 85.27 88.36 66.73 105.33   Tip​ (dollars) 3.51 5.55 16.44 17.42 6.69 13.97

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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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)
34.14
47.51
85.27
88.36
66.73
105.33
 
Tip​ (dollars)
3.51
5.55
16.44
17.42
6.69
13.97
 
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