The U.S. Department of Transportation provides the number of miles that residents of the 75 largest metropolitan areas travel per day in a car. Suppose that for a random sample of 75 Buffalo residents the mean is 25 miles a day. The standard deviation of the population (Buffalo residents) is 5.1 miles a day. For an independent random sample of 60 Boston residents the mean is 23 miles a day. The standard deviation of the population (Boston residents) is 8.2 miles a day. Consider the following hypothesis test. Mean 1 = Buffalo residents ; Mean 2 = Boston Residents Ho : H1 - H2 = 0 H : 1 – 42 +0 At alpha = 0.05 what is your conclusion?

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The U.S. Department of Transportation provides the number of miles that residents of the 75 largest metropolitan areas travel per day in a car.
Suppose that for a random sample of 75 Buffalo residents the mean is 25 miles a day. The standard deviation of the population (Buffalo
residents) is 5.1 miles a day. For an independent random sample of 60 Boston residents the mean is 23 miles a day. The standard deviation of
the population (Boston residents) is 8.2 miles a day.
Consider the following hypothesis test. Mean 1 = Buffalo residents ; Mean 2 = Boston Residents
Ho : 1 – H2 = 0
H : H1 - 42 0
At alpha = 0.05 what is your conclusion?
0.05
-3.6 0002 0002 0001 0001 .0001 .0001 000 0001 .0001 0001
0.01
0.02
0.04
0.06
0.07
0.09
0.00
0.03
0.08
-3.5
.0002
0002
.0002
0002
.0002
.0002
0002
.0002
.0002
0002
-3.4 0003
.0003
.0003 0003 .0003 0003
0003 0003 0003 0002
-33 0005
0005
0005 0004 .0004 .0004
0004 0004
0004 0003
-32 0007
-3.1 0010
.0007
0006 0006 .0006 .0006
0006 0005
.0005 0005
0009
.0009 0009 .0008 .0008
0008 0008 0007 0007
-3.0 0013
-29 0019
„0013
0013 0012 .0012 .0011
0011
.0011
0010 0010
.0018
0018
0017
.0016
.0016
0015
0015
0014
0014
-28
0026
0025
0024
0023
.0023
0022
0021
0021
.0020
0019
Transcribed Image Text:The U.S. Department of Transportation provides the number of miles that residents of the 75 largest metropolitan areas travel per day in a car. Suppose that for a random sample of 75 Buffalo residents the mean is 25 miles a day. The standard deviation of the population (Buffalo residents) is 5.1 miles a day. For an independent random sample of 60 Boston residents the mean is 23 miles a day. The standard deviation of the population (Boston residents) is 8.2 miles a day. Consider the following hypothesis test. Mean 1 = Buffalo residents ; Mean 2 = Boston Residents Ho : 1 – H2 = 0 H : H1 - 42 0 At alpha = 0.05 what is your conclusion? 0.05 -3.6 0002 0002 0001 0001 .0001 .0001 000 0001 .0001 0001 0.01 0.02 0.04 0.06 0.07 0.09 0.00 0.03 0.08 -3.5 .0002 0002 .0002 0002 .0002 .0002 0002 .0002 .0002 0002 -3.4 0003 .0003 .0003 0003 .0003 0003 0003 0003 0003 0002 -33 0005 0005 0005 0004 .0004 .0004 0004 0004 0004 0003 -32 0007 -3.1 0010 .0007 0006 0006 .0006 .0006 0006 0005 .0005 0005 0009 .0009 0009 .0008 .0008 0008 0008 0007 0007 -3.0 0013 -29 0019 „0013 0013 0012 .0012 .0011 0011 .0011 0010 0010 .0018 0018 0017 .0016 .0016 0015 0015 0014 0014 -28 0026 0025 0024 0023 .0023 0022 0021 0021 .0020 0019
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