MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The weights (in pounds) of 6 vehicles and the variability of their braking distances (in feet) when stopping on a dry surface are shown in the table. Can you conclude
that there is a significant linear correlation between vehicle weight and variability in braking distance on a dry surface? Use a = 0.05.
Weight, x
Variability in
braking distance, y
5920
5320
6500
5100
5880
4800
1.75
1.96
1.88
1.64
1.61
1.50
Click here to view a table of critical values for Student's t-distribution.
Setup the hypothesis for the test.
Ho:P
=
Ha:p # 0
Identify the critical value(s). Select the correct choice below and fill in any answer boxes within your choice.
(Round to three decimal places as needed.)
A. The critical values are -to = - 2.776 and to = 2.776.
%3D
O B. The critical value is
Calculate the test statistic.
t 3=
(Round to three decimal places as needed.)
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Transcribed Image Text:The weights (in pounds) of 6 vehicles and the variability of their braking distances (in feet) when stopping on a dry surface are shown in the table. Can you conclude that there is a significant linear correlation between vehicle weight and variability in braking distance on a dry surface? Use a = 0.05. Weight, x Variability in braking distance, y 5920 5320 6500 5100 5880 4800 1.75 1.96 1.88 1.64 1.61 1.50 Click here to view a table of critical values for Student's t-distribution. Setup the hypothesis for the test. Ho:P = Ha:p # 0 Identify the critical value(s). Select the correct choice below and fill in any answer boxes within your choice. (Round to three decimal places as needed.) A. The critical values are -to = - 2.776 and to = 2.776. %3D O B. The critical value is Calculate the test statistic. t 3= (Round to three decimal places as needed.)
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