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Students use the data for new books as absample and conduct a hypothesis test to determine if the average cost of new textbooks at Mesa is lower than $100. The 2000 Census states that about 39.5% of Californians and 17.9% of all Americans speak a language other than English at home. Using students at your college as the sample, the student conducts a hypothesis test to determine if the percent of the students at your school that speak a language other than English at home is different from 39.5%. Although both components are written to be used with Minitab, any statistical package can be used. This lab is based on one from Collaborative Statistics by Illowsky and Dean.
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The data was collected from the bookstore at San Diego Mesa College. The lab can be adjusted to reflect the current costs at your institution.