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Category > Statistics Posted 13 May 2017 My Price 3.00

A credit bureau analysis of undergraduate students credit records

10.52 A credit bureau analysis of undergraduate students credit records found that the average number of credit cards in an undergraduate’s wallet was 4.09 (“Undergrad- uate Students and Credit Cards in 2004,” Nellie Mae, May 2005). It was also reported that in a random sample of 132 undergraduates, the sample mean number of credit cards carried was 2.6. The sample standard deviation was not reported, but for purposes of this exercise, suppose that it was 1.2. Is there convincing evidence that the mean number of credit cards that undergraduates report carrying is less than the credit bureau’s figure of 4.09?

 

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Alpha Geek
(8)
Status NEW Posted 13 May 2017 08:05 AM My Price 3.00

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