Community College Tuition. Use the following information for Exercises 53–63. The College Board reported that the mean tuition and fees at community colleges nationwide for the 2013–2014 academic year was $3264. Data were gathered on the total tuition and fees for a random sample of 10 community colleges in 2015. The normal probability plot is shown here.

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Normal probability plot.

Question 9.257

61. Suppose, when we did Exercise 55, we also asked for the wrong hypothesis test, and obtained this Minitab output. For level of significance , what would have been our conclusion in that case? Why would this have been in error? What are some of the possible consequences of making an error of this sort?

9.4.61

Do not reject . Fees have increased. Answers will vary.