Listed below are annual data for various years. The data are weights (metric tons) of imported lemons and car crash fatality rates per 100,000 population. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value using a=0.05. Is there sufficient evidence to conclude that there is a linear correlation between lemon imports and crash fatality rates? Do the results suggest that imported lemons cause car fatalities? Lemon Imports Crash Fatality Rate 228 15.9 266 15,7 359 15.4 483 15.3 534 14.9 What are the null and altemative hypotheses?
Listed below are annual data for various years. The data are weights (metric tons) of imported lemons and car crash fatality rates per 100,000 population. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value using a=0.05. Is there sufficient evidence to conclude that there is a linear correlation between lemon imports and crash fatality rates? Do the results suggest that imported lemons cause car fatalities? Lemon Imports Crash Fatality Rate 228 15.9 266 15,7 359 15.4 483 15.3 534 14.9 What are the null and altemative hypotheses?
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 annual data for various years. The data are weights (metric tons) of imported lemons and car crash fatality rates per 100,000 population. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the
P-value using a=0.05. Is there sufficient evidence to conclude that there is a linear correlation between lemon imports and crash fatality rates? Do the results suggest that imported lemons cause car fatalities?
Lemon Imports
Crash Fatality Rate
228
266
359
483
534
15.9
15.7
15.4
15.3
14.9
What are the null and alternative hypotheses?
...Y
O A. Ho: p=0
O B. Ho p#0
H1: p#0
H:p=0
OC. Ho: p=0
O D. Ho p=0
H: p<0
H p>0
Construct a scatterplot. Choose the correct graph below.
O A.
OB.
c.
OD.
AY
17-
16-
16-
16-
16-
15-
15-
15-
15-
14+
14+
200 400 600
14-
200
400
600
14+
200
400
600
200
400
600
The linear correlation coefficient is r=
(Round to three decimal places as needed.)
The test statistic is t =
Transcribed Image Text:Listed below are annual data for various years. The data are weights (metric tons) of imported lemons and car crash fatality rates per 100,000 population. Construct a scatterplot, find the value of the linear correlation coefficient r, and find
P-value using a=0.05. Is there sufficient evidence to conclude that there is a linear correlation between lemon imports and crash fatality rates? Do the results suggest that imported lemons cause car fatalities?
Lemon Imports
Crash Fatality Rate
228
15.9
266
359
483
534
14.9
15.7
15.4
15.3
通
15
15-
15-
15-
14+
14+
200
400
600
200 400
14-
600
14-
200
400
600
200
400
600
The linear correlation coefficient is r=
(Round to three decimal places as needed.)
The test statistic is t =
(Round to three decimal places as needed.)
The P-value is.
(Round to three decimal places as needed.)
Because the P-value is
than the significance level 0.05, there
sufficient evidence to support the claim that there is a linear correlation between lemon imports and crash fatality rates for a significance level of a = 0.05.
Do the results suggest that imported lemons cause car fatalities?
O A. The results do not suggest any cause-effect relationship between the two variables.
O B. The results suggest that imported lemons cause car fatalities.
O C. The results suggest that an increase in imported lemons causes car fatality rates to remain the same.
D. The results suggest that an increase in imported lemons causes in an increase in car fatality rates.
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