According to the credit reporting agency Transunion, the mean credit card debt in the United States among

Question:

According to the credit reporting agency Transunion, the mean credit card debt in the United States among individuals with credit cards for the period between April and June of 2010 was $4951. Treating the results of the StatCrunch survey as a random sample of U.S. residents, determine whether there is evidence to suggest that credit card debt is lower than $4951. Use the α = 0.05 level of signiﬁcance.