Listed below ate aimtMrls of bills tor dinner and the armNunts of the tips that were lett Conslhu:l a scallerplot, Ind the value of the lineal correlation coefficient r, and find the P-valuc ofr. Determinc whcther thcre is sufficient evidence to support a claim of linear correlation between the two variables UJse a significance level of a =001. If everyone wcre to tip with the samo porcontago, what should bc the value of r? 102.56 64.(3 114.57 O Bill (dollars) Tip (dollars) 34.96 53.93 87.10 6.09 9.50 16.02 18.07 10.88 11.46 O B. Oc. OD. 25 25 120 120 Bill Amount ($) 120 30 30 Bill Aimeunt (S) 30 120 Bil Amount () n ount (5) The lincar correlalion coeficient r is (Round ln throo docimal places as needet ) Dctermine tho null and allernative hyprilhesos. H, p yDH integerS or decimals Do not round) The tesl stat stic is en n two ducimal nlarec ac neadert1 Cick to select your answer(s). Tlamocl () (31aneuy dL

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Listed below ate aimtMrls of bills tor dinner and the armNunts of the tips that were lett Conslhu:l a scallerplot, Ind the value of the lineal correlation coefficient r, and find the P-valuc ofr.
Determinc whcther thcre is sufficient evidence to support a claim of linear correlation between the two variables UJse a significance level of a =001. If everyone wcre to tip with the
samo porcontago, what should bc the value of r?
102.56 64.(3 114.57 O
Bill (dollars)
Tip (dollars)
34.96
53.93
87.10
6.09
9.50
16.02
18.07
10.88
11.46
O B.
Oc.
OD.
25
25
120
120
Bill Amount ($)
120
30
30
Bill Aimeunt (S)
30
120
Bil Amount ()
n ount (5)
The lincar correlalion coeficient r is
(Round ln throo docimal places as needet )
Dctermine tho null and allernative hyprilhesos.
H, p
yDH integerS or decimals Do not round)
The tesl stat stic is
en n two ducimal nlarec ac neadert1
Cick to select your answer(s).
Tlamocl ()
(31aneuy dL
Transcribed Image Text:Listed below ate aimtMrls of bills tor dinner and the armNunts of the tips that were lett Conslhu:l a scallerplot, Ind the value of the lineal correlation coefficient r, and find the P-valuc ofr. Determinc whcther thcre is sufficient evidence to support a claim of linear correlation between the two variables UJse a significance level of a =001. If everyone wcre to tip with the samo porcontago, what should bc the value of r? 102.56 64.(3 114.57 O Bill (dollars) Tip (dollars) 34.96 53.93 87.10 6.09 9.50 16.02 18.07 10.88 11.46 O B. Oc. OD. 25 25 120 120 Bill Amount ($) 120 30 30 Bill Aimeunt (S) 30 120 Bil Amount () n ount (5) The lincar correlalion coeficient r is (Round ln throo docimal places as needet ) Dctermine tho null and allernative hyprilhesos. H, p yDH integerS or decimals Do not round) The tesl stat stic is en n two ducimal nlarec ac neadert1 Cick to select your answer(s). Tlamocl () (31aneuy dL
Expert Solution
Step 1

Given data of amount of bills for dinner and amount of the tips are shown below
Statistics homework question answer, step 1, image 1

a)
The scatter plot of given data looks like
Statistics homework question answer, step 1, image 2
Option c is correct.

Step 2

b)
The linear correlation coefficient is calculated as shown below
Statistics homework question answer, step 2, image 1
Statistics homework question answer, step 2, image 2
correlation coefficient = 0.745 (rounded to three decimal places)

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