Amy has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via the 10 Freeway, and the other is to go via 60 Freeway. In order to determine which way she should travel on a daily basis, Amy has recorded the travel times for samples of eleven trips via the 10 Freeway and eleven trips via the 60 Freeway. The following table gives the travel times (in minutes) for the twenty-two trips: Travel times in minutes 10 Freeway 73, 72, 68, 67, 65, 70, 69, 70, 69, 74, 78 60 Freeway 75, 74, 76, 72, 73, 75, 73, 72, 76, 72, 70 Assume that the two populations of travel times are normally distributed and that the population variances are equal. Can we conclude, at the 0.05 level of significance, that the mean travel times of the two routes are different? Perform a two-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) The null hypothesis: |#. :0 The alternative hypothesis: H, :0 O=0 OSO The type of test statistic: (Choose one) O

Amy has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via the 10 Freeway, and the other is to go via 60 Freeway. In order to determine which way she should travel on a daily basis, Amy has recorded the travel times for samples of eleven trips via the 10 Freeway and eleven trips via the 60 Freeway. The following table gives the travel times (in minutes) for the twenty-two trips: Travel times in minutes 10 Freeway 73, 72, 68, 67, 65, 70, 69, 70, 69, 74, 78 60 Freeway 75, 74, 76, 72, 73, 75, 73, 72, 76, 72, 70 Assume that the two populations of travel times are normally distributed and that the population variances are equal. Can we conclude, at the 0.05 level of significance, that the mean travel times of the two routes are different? Perform a two-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) The null hypothesis: |#. :0 The alternative hypothesis: H, :0 O=0 OSO The type of test statistic: (Choose one) O

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Description: Amy has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via the 10 Freeway, and the other is to go via 60 Freeway. In orderto determine which way she should travel on a daily basis, Amy has recorded the travel ti

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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Question

Amy has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via the 10 Freeway, and the other is to go via 60 Freeway. In order
to determine which way she should travel on a daily basis, Amy has recorded the travel times for samples of eleven trips via the 10 Freeway and eleven trips via
the 60 Freeway. The following table gives the travel times (in minutes) for the twenty-two trips:
Travel times in minutes
10 Freeway 73, 72, 68, 67, 65, 70, 69, 70, 69, 74, 78
60 Freeway 75, 74, 76, 72, 73, 75, 73, 72, 76, 72, 70
Assume that the two populations of travel times are normally distributed and that the population variances are equal. Can we conclude, at the 0.05 level of
significance, that the mean travel times of the two routes are different?
Perform a two-tailed test. Then fill in the table below.
Carry your intermediate computations to at least three decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.)
The null hypothesis:
H, :0
The alternative hypothesis:
H, :0
1
D=0
The type of test statistic:
(Choose one)
O<O
The value of the test statistic:
(Round to at least three
decimal places.)

Assume that the two populations of travel times are normally distributed and that the population variances are equal. Can we conclude, at the 0.05 level of
significance, that the mean travel times of the two routes are different?
Perform a two-tailed test. Then fill in the table below.
Carry your intermediate computations to at least three decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.)
The null hypothesis:
H, :0
The alternative hypothesis:
H, :0
D=0
OSO
The type of test statistic:
(Choose one)
O<O
The value of the test statistic:
(Round to at least three
decimal places.)
The two critical values at the
0.05 level of significance:
||and ||
(Round to at least three
decimal places.)
Can we conclude that the mean travel times of the
Yes
No
two routes are different?

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