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Quiz 2 (Prequiz) - Introductory Statistics PreQuiz#2...

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Introductory Statistics PreQuiz #2 Objectives: You will be able to sum marize data using measure of central tendency such as the mean, median, mode, and midrange You will be able to determine which measure of central tendency is most appropriate for a data set Name____________________ Date_______________________ Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations. 1) The students in Hugh Logan ʹ s math class took the Scholastic Aptitude Test. Their math scores are shown below. Find the mean score. 499 496 352 348 492 344 357 649 470 482 1) 2) Bill kept track of the number of hours he spent exercising each week. The results for four months are shown below. Find the mean number of hours Bill spent exercising per week. 6.5 8.0 8.2 8.8 8.3 6.5 8.4 8.2 8.0 6.5 8.8 8.8 7.4 8.0 8.0 8.8 8.3 8.4 2) Find the median for the given sample data. 3) A store manager kept track of the number of newspapers sold each week over a seven - week period. The results are shown below.
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