Skewed left (a) Sketch a histogram for a distribution that
Chapter 2, Problem 2.22(choose chapter or problem)
Skewed left (a) Sketch a histogram for a distribution that is skewed to the left . (b) Suppose that you and your friends emptied your pockets of coins and recorded the year marked on each coin. Th e distribution of dates would be skewed to the left . Explain why. Exercises 2.23 to 2.26 refer to the following setting. CensusAtSchool is an international project that collects data about primary and secondary school students using surveys. As of early 2009, students in Australia, Canada, New Zealand, South Africa, and the United Kingdom have participated in the project. Data from CensusAtSchool surveys are available from the projects Web site, www.censusatschool.com. We used the Random Data Selector to choose a simple random sample of 50 Canadian students who completed the survey in 20072008. The data set CASCAN0708 can be found on the books Web site, www.whfreeman.com/sta2e.
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