In an experiment to determine the effects of outside temperature on the emissions of diesel trucks, 10 trucks were run at temperatures of 40°F and then again at 80°F. The emissions of each truck at the two temperatures are presented in the table below. 40°F 80°F 769 771 892 965 H₁: : μν 774 740 869 850 852 800 O 0 750 714 Can you conclude that the mean emissions are higher at 40°F? Use the a= 0.04 level. a. State the null and alternative hypotheses. Ho: μV O 0 b. Find the critical value and sketch the rejection region. Sketch of Rejection Region: 777 772 899 882 863 771 AAA -3 -2 -1 0 1 2 3 -3 -2 -1 0 1 2 3 -3 -2 -1 0 1 2 709 626 3

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In an experiment to determine the effects of outside temperature on the emissions of diesel trucks, 10
trucks were run at temperatures of 40°F and then again at 80°F. The emissions of each truck at the two
temperatures are presented in the table below.
40°F
80°F
769
771
-3
H₁: μ
892
965
-2 -1 0
Can you conclude that the mean emissions are higher at 40°F? Use the a = 0.04 level.
a. State the null and alternative hypotheses.
Ho: μV
+
1
Critical value(s):
b. Find the critical value and sketch the rejection region.
Sketch of Rejection Region:
d. Find the p-value.
774
740
c. Find the test statistic.
869
850
+
2
0
852
800
0
750
714
-1 0
2
777
772
3
899
882
(If there are two critical values, list both values separated by a comma)
-2 -1 0
863
771
709
626
o
Transcribed Image Text:In an experiment to determine the effects of outside temperature on the emissions of diesel trucks, 10 trucks were run at temperatures of 40°F and then again at 80°F. The emissions of each truck at the two temperatures are presented in the table below. 40°F 80°F 769 771 -3 H₁: μ 892 965 -2 -1 0 Can you conclude that the mean emissions are higher at 40°F? Use the a = 0.04 level. a. State the null and alternative hypotheses. Ho: μV + 1 Critical value(s): b. Find the critical value and sketch the rejection region. Sketch of Rejection Region: d. Find the p-value. 774 740 c. Find the test statistic. 869 850 + 2 0 852 800 0 750 714 -1 0 2 777 772 3 899 882 (If there are two critical values, list both values separated by a comma) -2 -1 0 863 771 709 626 o
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