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 of r. 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 α = 0.05. Shoe Print (cm) Foot Length (cm) Height (cm) 30.7 30.7 32.7 33.1 27.9 Q 24.7 25.0 26.0 27.7 26.6 173.8 174.8 184.1 179.2 169.2 Construct a scatterplot. Choose the correct graph below. A. B. D. Q 200- 200- 200- 200- TRAL IN THE STATE 160+ 160+ 160- 160- 25 35 25 35 25 35 25 35 Shoe Print (cm) Shoe Print (cm) Shoe Print (cm) Shoe Print (cm) The linear correlation coefficient is r =
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 of r. 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 α = 0.05. Shoe Print (cm) Foot Length (cm) Height (cm) 30.7 30.7 32.7 33.1 27.9 Q 24.7 25.0 26.0 27.7 26.6 173.8 174.8 184.1 179.2 169.2 Construct a scatterplot. Choose the correct graph below. A. B. D. Q 200- 200- 200- 200- TRAL IN THE STATE 160+ 160+ 160- 160- 25 35 25 35 25 35 25 35 Shoe Print (cm) Shoe Print (cm) Shoe Print (cm) Shoe Print (cm) The linear correlation coefficient is r =
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 15PPS
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Question
10.3
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 of r. 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 α =0.05.
Shoe Print (cm)
Foot Length (cm)
Height (cm)
Height (cm)
Construct a scatterplot. Choose the correct graph below.
O A.
200-
160+
25
H
Shoe Print (cm)
33.1
30.7 30.7 32.7
25.0 26.0 27.7 26.6
173.8 174.8 184.1 179.2
35
B.
200-
160+
25
The linear correlation coefficient is r =
0.
(Round to three decimal places as needed)
●
Shoe Print (cm)
35
27.9
24.7
169.2
200-
160+
25
Shoe Print (cm)
35
200-
160+
25
€
●
Shoe Print (cm)
35
Transcribed Image Text:Determine the null and alternative hypotheses.
Ho: P
H₁: P
(Type integers or decimals. Do not round.)
The test statistic is
(Round to two decimal places as needed.)
The P-value is.
(Round to three decimal places as needed.)
Because the P-value of the linear correlation coefficient is
the significance level, there
claim that there is a linear correlation between shoe print lengths and heights of males.
Based on these results, does it appear that police can use a shoe print length to estimate the height of a male?
O A. Yes, because shoe print length and height do not appear to be correlated.
B. No, because shoe print length and height appear to be correlated.
OC. Yes, because shoe print length and height appear to be correlated.
O D. No, because shoe print length and height do not appear to be correlated.
sufficient evidence to support the
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