The monthly auto insurance premiums, in dollars, of a sample of 3 types of autom

Question

The monthly auto insurance premiums, in dollars, of a sample of 3 types of automobiles are given in the table. (You may assume that all samples are simple random samples.)

a. With .05 significance, test the claim that the mean monthly insurance premiums for all 3 vehicle types is the same. Use your calculator AND SHOW COMMANDS.

b. Use the sign test to test the claim that the median monthly insurance premium for an SUV is greater than $65. Use .05 significance.

c. Use the sign test to test the claim that the median monthly insurance premium for an SUV is less than $65. Use .05 significance.

SUV 63 59 70 60 65 58 61 63 64 61 Compact 71 73 65 72 77 83 77 Truck 52 57 91 61 53 65 72

Explanation / Answer

The monthly auto insurance premiums, in dollars, of a sample of 3 types of autom

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