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d. Find the p-value.

d. Find the p-value.

MATLAB: An Introduction with Applications
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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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: P 892 965 + + + -2 -1 0 1 Critical value(s): 1.973 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: ✓ b. Find the critical value and sketch the rejection region. Sketch of Rejection Region: 774 740 c. Find the test statistic. 1.782 d. Find the p-value. 869 850 0 + 2 3 -3 0 852 800 + + + + -1 750 714 777 772 ^^ 2 -2 -1 0 1 899 882 (If there are two critical values, list both values separated by a comma) 863 771 + + + 1 2 709 626 8 OF
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: P 892 965 + + + -2 -1 0 1 Critical value(s): 1.973 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: ✓ b. Find the critical value and sketch the rejection region. Sketch of Rejection Region: 774 740 c. Find the test statistic. 1.782 d. Find the p-value. 869 850 0 + 2 3 -3 0 852 800 + + + + -1 750 714 777 772 ^^ 2 -2 -1 0 1 899 882 (If there are two critical values, list both values separated by a comma) 863 771 + + + 1 2 709 626 8 OF
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