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Recently, an Automobile Insurance Company Performed a Study of a Random

Question 114

Multiple Choice

Recently, an automobile insurance company performed a study of a random sample of 15 of its customers to determine if there is a positive relationship between the number of miles driven and the age of the driver. The sample correlation coefficient is r = .38. Given this information, and assuming that the test is to be performed at the .05 level of significance, which of the following is the correct test statistic?


A) t = 1.4812
B) t = 1.7709
C) z = 2.114
D) t = 1.74

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