A credit card watchdog group claims that there is a difference in the mean credit card debts
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A credit card watchdog group claims that there is a difference in the mean credit card debts of people in California and Florida. The results of a random survey of 250 people from each state are shown at the left. The two samples are independent. Assume that σ1 = $960 for California and σ2 = $845 for Florida.
Do the results support the group’s claim? Use α = 0.05.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9781292260464
7th Global Edition
Authors: Betsy Farber, Ron Larson
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