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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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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, foot lengths, and heights of males. Construct a scatterplot, find the value of the linear
correlation coefficient r, and find the P-value ofr. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Based on these results, does it appear that police can use a shoe
print length to estimate the height of a male? Use a significance level of a = 0.05.
Shoe Print (cm) | 29.4
Foot Length (cm) 24.8
Height (cm)
27.4 D
24.4
29.4
31.5
27.5
188.5
31.9
25.6
26.0
176.7
175
181.5
167.2
.....
Construct a scatterplot. Choose the correct graph below.
OB.
C.
OD.
200-
200-
200-
200-
160+
25
Shoe Print (cm)
160+
160+
25
160+
25
Shoe Print (cm)
35
35
35
25
35
Shoe Print (cm)
Shoe Print (cm)
The linear correlation coefficient is r=
(Round to three decimal places as needed.)
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, foot lengths, and heights of males. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value ofr. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Based on these results, does it appear that police can use a shoe print length to estimate the height of a male? Use a significance level of a = 0.05. Shoe Print (cm) | 29.4 Foot Length (cm) 24.8 Height (cm) 27.4 D 24.4 29.4 31.5 27.5 188.5 31.9 25.6 26.0 176.7 175 181.5 167.2 ..... Construct a scatterplot. Choose the correct graph below. OB. C. OD. 200- 200- 200- 200- 160+ 25 Shoe Print (cm) 160+ 160+ 25 160+ 25 Shoe Print (cm) 35 35 35 25 35 Shoe Print (cm) Shoe Print (cm) The linear correlation coefficient is r= (Round to three decimal places as needed.) Height (cm) Height (cm)
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