Question

Question 14 of 14 Step 3 of A major oil company has developed a new gasoline additive that is supposed to increase mileage. To rest this hypothesis, ten cars are ra that the gasoline additive does significantly increase mileage? Let d - (gas mileage with additive)-(gas mileage without addiove) Use a sgnificance level of a - 0.05 for the test Assume that the gas mileager 01:14:08 both with and without the additive. The results are displayed in the following table, Can it be concluded from the data. are normally distributed for the population of all cars both with and without the additive 1 2 3 4 5 678 9 10 Without additive | 16.6 | 15.9 | 17 | 20 | 264 | i27 | 15.3 | 20.1 | 28.9 | 10.1 With additive 1717.7 195 20.2 293 13.4 175 23.1 29.311 Car Copy Data Step 3 of s: Compute the value of the test statistic Round your answer to three decimal places Next AnsweriHow to Enter) 2 Points m Tables Keypad

Answer 1

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