Do credit cards with no annual fee charge higher interest rates than cards that have annual fees? Among 29 cards surveyed, 17 had no annual fees while 12 charged an annual fee. Among the cards with no annual fee, the average interest rate was 19% (SD=8%). Among cards with an annual fee, the average interest rate was 17% (SD=3%). Are interest rates significantly higher for cards with no annual fees? Conduct a hypothesis test at the 10% significance level. show all steps

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