Question: Please answer on paper tats final spring 2021.pdf (page 9 of 11) ~ v 11. (10 pts) Two models of a popular pick-up truck are
Please answer on paper

tats final spring 2021.pdf (page 9 of 11) ~ v 11. (10 pts) Two models of a popular pick-up truck are tested for miles per gallon (mpg) gasoline consumption. The Pacer model was tested using a random sample of my = 9 trucks and the sample mean was x1- 27.3 mpg with sample standard deviation s, = 6.2 mpg. The Road Runner model was tested using a random sample of my = 14 trucks. The sample mean was x, - 22.5 mpg with sample standard deviation s, = 6.8 mpg. Does this indicate that the population mean gasoline consumption for the Pacer is higher than that of the Road Runner? Use a = 0.01 a. State the null and alternate hypotheses and the level of significance. Is the test left-talled, right-talled, or two-tailed? b. Identify the appropriate sampling distribution: the standard normal or the Student's r. What is the value of the sample test statistic? c. Find or estimate the P-value. d. Based on your answers for parts (a) through (), will you reject or fall to reject the null hypothesis
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