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 a = 0.05. If everyone were to tip with the same percentage, what should be the value of r? Bill (dollars) Tip (dollars) 99.63 15.99 31.44 50.80 85.95 63.99 106.98 O 4.09 6.10 16.41 9.37 12.65 ..... 25- 25- 25- 25- 0+ 30 Bill Amount (S) 0- 30 Bill Amount (S) 0- 30 Bill Amount (S) 30 120 120 120 120 Bill Amount (S) The linear correlation coefficient is r= 0.889. (Round to three decimal places as needed.) Determine the null and alternative hypotheses. Họ: P (Type integers or decimals. Do not round.) Tip Amount ($) Tip Amount ($) Tip Amount ($) Tip Amount ($)
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 a = 0.05. If everyone were to tip with the same percentage, what should be the value of r? Bill (dollars) Tip (dollars) 99.63 15.99 31.44 50.80 85.95 63.99 106.98 O 4.09 6.10 16.41 9.37 12.65 ..... 25- 25- 25- 25- 0+ 30 Bill Amount (S) 0- 30 Bill Amount (S) 0- 30 Bill Amount (S) 30 120 120 120 120 Bill Amount (S) The linear correlation coefficient is r= 0.889. (Round to three decimal places as needed.) Determine the null and alternative hypotheses. Họ: P (Type integers or decimals. Do not round.) Tip Amount ($) Tip Amount ($) Tip Amount ($) Tip Amount ($)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 12PPS
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Transcribed Image Text: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
a = 0.05. If everyone were to tip with the same percentage, what should be the value of r?
Bill (dollars)
Tip (dollars)
99.63
15.99
31.44
50.80
85.95
63.99 106.98 O
4.09
6.10
16.41
9.37
12.65
.....
25-
25-
25-
25-
0+
30
Bill Amount (S)
0-
30
Bill Amount (S)
0-
30
Bill Amount (S)
30
120
120
120
120
Bill Amount (S)
The linear correlation coefficient is r= 0.889.
(Round to three decimal places as needed.)
Determine the null and alternative hypotheses.
Họ: P
(Type integers or decimals. Do not round.)
Tip Amount ($)
Tip Amount ($)
Tip Amount ($)
Tip Amount ($)
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