What are the null and alternative hypothesesfor this test

Reference no: EM13337943

Safety researchers,interested in determining whetherthe occupancy of a vehicle might be related to the speef at whichthe vehicle is driven,have observed the following speed (mph)measurements for two random samples of vehicles.(Use data fileXR12030.)

Driver alone 64 50 71 55 67 61 80 56 5974

At least onepassenger 44 52 54 48 6967 54 57 58 51 62 67

a. What are the null and alternative hypothesesfor this test?

b. Use ANOVA and the 0.025 level ofsignificance in testing the null hypothesis identified in part(a).

c. For each sample,construct the 95%confidence interval for the populationmean.

Reference no: EM13337943

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