We might expect the mean difference (Diesel Unleaded) −in gas prices to be the same for adjacent states. Choose two adjacent states from the data set.Then carry out an appropriate test to see if the data provide convincing evidence to contradictthis expectationStateRegular UnleadedDieselDifferenceOH2.272.15-0.12OH2.252.350.05OH2.251.85-0.45OH2.252.470.22OH2.252.450.2OH2.292.470.18OH2.072.280.21IN2.152.280.13IN2.142.280.14IN2.072.290.22IN2.072.280.21IN2.142.280.14IN2.292.26-0.03IN2.252.24-0.01IN2.292.26-0.03IN2.252.270.02IN2.252.250IL2.192.390.2IL2.292.350.06IL2.292.350.06IL1.992.410.42IL1.992.450.46IL1.992.380.39IL1.992.470.48IL1.992.390.4IL1.992.470.48IL2.252.350.1IL2.192.380.19IL2.352.390.04MO2.192.06-0.13MO2.192.06-0.13MO2.172.06-0.11MO2.172.06-0.11MO2.172.07-0.1MO2.172.09-0.08MO2.192.06-0.13MO2.192.06-0.13MO2.062.130.07MO2.152.13-0.02MO2.041.99-0.05MO2.041.95-0.09MO1.892.050.16MO1.872.250.38MO1.992.070.08MO1.952.180.23MO1.992.210.22MO1.992.070.08MO1.992.090.1MO1.912.150.24MO1.872.180.31MO1.992.050.06KS2.052.04-0.01KS2.052.04-0.01KS1.972.340.37KS1.882.350.47KS1.872.230.36KS1.892.350.46KS1.892.160.27KS1.992.150.16KS2.252.18-0.07KS1.892.040.15KS2.092.270.18KS1.962.150.19KS1.992.330.34KS2.092.230.14KS2.112.190.08KS2.092.290.2KS2.092.340.25KS1.932.240.31KS1.932.390.46KS1.972.150.18CO2.142.180.04CO2.212.18-0.03CO2.052.370.32CO2.052.350.3CO2.152.280.13CO2.052.090.04CO2.192.09-0.1CO2.092.350.26CO2.071.99-0.08CO2.052.370.32CO2.092.190.1

Use the data for state OH and state IN to carry out the hypothesis test: State OH State IN…

Answered: We might expect the mean difference…

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

We might expect the mean difference (Diesel Unleaded) −
in gas prices to be the same for adjacent states. Choose two adjacent states from the data set.
Then carry out an appropriate test to see if the data provide convincing evidence to contradict
this expectation

State	Regular Unleaded	Diesel	Difference
OH	2.27	2.15	-0.12
OH	2.25	2.35	0.05
OH	2.25	1.85	-0.45
OH	2.25	2.47	0.22
OH	2.25	2.45	0.2
OH	2.29	2.47	0.18
OH	2.07	2.28	0.21
IN	2.15	2.28	0.13
IN	2.14	2.28	0.14
IN	2.07	2.29	0.22
IN	2.07	2.28	0.21
IN	2.14	2.28	0.14
IN	2.29	2.26	-0.03
IN	2.25	2.24	-0.01
IN	2.29	2.26	-0.03
IN	2.25	2.27	0.02
IN	2.25	2.25	0
IL	2.19	2.39	0.2
IL	2.29	2.35	0.06
IL	2.29	2.35	0.06
IL	1.99	2.41	0.42
IL	1.99	2.45	0.46
IL	1.99	2.38	0.39
IL	1.99	2.47	0.48
IL	1.99	2.39	0.4
IL	1.99	2.47	0.48
IL	2.25	2.35	0.1
IL	2.19	2.38	0.19
IL	2.35	2.39	0.04
MO	2.19	2.06	-0.13
MO	2.19	2.06	-0.13
MO	2.17	2.06	-0.11
MO	2.17	2.06	-0.11
MO	2.17	2.07	-0.1
MO	2.17	2.09	-0.08
MO	2.19	2.06	-0.13
MO	2.19	2.06	-0.13
MO	2.06	2.13	0.07
MO	2.15	2.13	-0.02
MO	2.04	1.99	-0.05
MO	2.04	1.95	-0.09
MO	1.89	2.05	0.16
MO	1.87	2.25	0.38
MO	1.99	2.07	0.08
MO	1.95	2.18	0.23
MO	1.99	2.21	0.22
MO	1.99	2.07	0.08
MO	1.99	2.09	0.1
MO	1.91	2.15	0.24
MO	1.87	2.18	0.31
MO	1.99	2.05	0.06
KS	2.05	2.04	-0.01
KS	2.05	2.04	-0.01
KS	1.97	2.34	0.37
KS	1.88	2.35	0.47
KS	1.87	2.23	0.36
KS	1.89	2.35	0.46
KS	1.89	2.16	0.27
KS	1.99	2.15	0.16
KS	2.25	2.18	-0.07
KS	1.89	2.04	0.15
KS	2.09	2.27	0.18
KS	1.96	2.15	0.19
KS	1.99	2.33	0.34
KS	2.09	2.23	0.14
KS	2.11	2.19	0.08
KS	2.09	2.29	0.2
KS	2.09	2.34	0.25
KS	1.93	2.24	0.31
KS	1.93	2.39	0.46
KS	1.97	2.15	0.18
CO	2.14	2.18	0.04
CO	2.21	2.18	-0.03
CO	2.05	2.37	0.32
CO	2.05	2.35	0.3
CO	2.15	2.28	0.13
CO	2.05	2.09	0.04
CO	2.19	2.09	-0.1
CO	2.09	2.35	0.26
CO	2.07	1.99	-0.08
CO	2.05	2.37	0.32
CO	2.09	2.19	0.1

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