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 817 749 H₁: μV 791 755 782 744 861 832 c. Find the test statistic. d. Find the p-value. 734 663 Can you conclude that the mean emissions are higher at 40°F? Use the a = 0.07 level. a. State the null and alternative hypotheses. Ho: HV * 0 0 b. Find the critical value and sketch the rejection region. Sketch of Rejection Region: 852 861 ਕਰ ਸਕਦੇ -3 -2 -1 0 1 2 3 -2 Critical value(s): 823 785 831 852 (If there are two critical values, list both values separated by a comma) 808 820 0 1 2 3 -3 -2 -1 0 1 2 801 659 3 Q

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