The linear correlation coefficient is r= (Round to three decimal places as needed.)

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter4: Writing Linear Equations
Section: Chapter Questions
Problem 11CT
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Police sometimes measure shoe prints at crime scenes so that they can learn something about criminals. Listed below are shoe print lengths and heights of
males. 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 = 0.01.
Click to view the data on shoe print lengths and heights.
Construct a scatterplot. Choose the correct graf
Shoe Print Lengths versus Heights of Males
O B.
OD.
210-
200-
190-
180-
170-
160-
20 24 28 32 36 40
Shoe Print Length (cm)
210
200
190
180
170
160
2101
200-
Shoe Print
190-
Length (cm)
Height (cm)
176.0
180-
170-
160-
20 24 28 32 36 40
31.4
28.9
181.2
31.5
194.5
Shoe Print Length (cm)
32.3
172.9
30.4
174.0
The linear correlation coefficient is r=
32.9
190.5
(Round to three decimal places as needed.)
31.0
176.6
30.8
170.0
30.5
171.9
32.3
175.5
30.5
200.1
32.6
199.3
32.4
166.3
32.5
181.0
26.9
179.8
32.2
188.5
30.4
191.8
31.2
178.3
33.9
196.0
Print
Done
Height (cm)
Height (cm)
Height (cm)
Transcribed Image Text:Police sometimes measure shoe prints at crime scenes so that they can learn something about criminals. Listed below are shoe print lengths and heights of males. 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 = 0.01. Click to view the data on shoe print lengths and heights. Construct a scatterplot. Choose the correct graf Shoe Print Lengths versus Heights of Males O B. OD. 210- 200- 190- 180- 170- 160- 20 24 28 32 36 40 Shoe Print Length (cm) 210 200 190 180 170 160 2101 200- Shoe Print 190- Length (cm) Height (cm) 176.0 180- 170- 160- 20 24 28 32 36 40 31.4 28.9 181.2 31.5 194.5 Shoe Print Length (cm) 32.3 172.9 30.4 174.0 The linear correlation coefficient is r= 32.9 190.5 (Round to three decimal places as needed.) 31.0 176.6 30.8 170.0 30.5 171.9 32.3 175.5 30.5 200.1 32.6 199.3 32.4 166.3 32.5 181.0 26.9 179.8 32.2 188.5 30.4 191.8 31.2 178.3 33.9 196.0 Print Done Height (cm) Height (cm) Height (cm)
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