ll' 0 '0. I. 0' I 6 According to a website. the mean outstanding credit-card debt of college undergraduates was $3173 In 2010. A researcher believes that this amount has decreased since then. Complete parts (a) through (e) below. (a) Determine the null and alternative hypotheses. (Type integers or decimals. Do not round.) (in) Explain what it would mean to make a Type I en'ot. i If the sample data leads the researcher to (c) Explain what it would mean to make a Type II error. the null hypothesis and the mean creditcard debt of college undergraduates has ':l a Type I error occurs. If the sample data leads the researcher to the null hypothesis and the mean credit-card debt of college undergraduates has i (d) State the conclusion that would be reached if the null hypothesis was not rejected. a Type II error occurs. D There '3 sufcient evidence at the (x level to support the researcher's belief that the mean credit card debt of college undergraduates has (e) State the conclusion that would be reached if the null hypothesis was rejected. There E sufcient evidence at the at level to support the researcher's belief that the mean credit card debt of college undergraduates has ID