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) Construct a scatterplot. Choose the correct graph below. O A. 30 ‒‒‒‒‒‒‒ · 32.25 49.72 87.12 101.52 66.52 104.21 4.25 7.70 7.90 11.83 7.08 11.35 ··· Q G Bill Amount (S) 120 OB. 25 11 • L Bill Amount (S) 120 G O C. ip Amount ($) 25 120 Bill Amount (S) G O D. 25 Bill Amount ($) 120
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) Construct a scatterplot. Choose the correct graph below. O A. 30 ‒‒‒‒‒‒‒ · 32.25 49.72 87.12 101.52 66.52 104.21 4.25 7.70 7.90 11.83 7.08 11.35 ··· Q G Bill Amount (S) 120 OB. 25 11 • L Bill Amount (S) 120 G O C. ip Amount ($) 25 120 Bill Amount (S) G O D. 25 Bill Amount ($) 120
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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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)
Tip Amount ($)
Construct a scatterplot. Choose the correct graph below.
O A.
25-
30
C
●
··
Bill Amount (S)
32.25 49.72 87.12 101.52 66.52 104.21
4.25 7.70 7.90 11.83 7.08 11.35
120
Q
M
O B.
Tip Amount ($)
25-
++++
30
..
Bill Amount (S)
120
Q
Q
M
C
O C.
Tip Amount ($)
25-
0+
30
●
··
Bill Amount ($)
120
Q
Q
O D.
ip Amount ($)
25-
to
0-
30
·
Bill Amount (S)
120
Q
Q
U
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