MED 7300 Midterm: STAT 145 UMN Exam1 Spring13

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15 Feb 2019
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Short answer questions: for credit show your work. Round final answers to two decimal places and include units in all final answers: the number of shark attacks per year worldwide over a recent 5-year period is: 71, 63, 60, 64, and 57. Calculate the mean and standard deviation of annual shark attacks over this 5-year period. Include units in your final answers: (5 pts. ) mean, (6 pts. ) standard deviation: 59: the table below lists the number of car thefts in a large city over a recent 14-day period is: (a). (5 pts. ) Illustrate the distribution of the number of car thefts with a boxplot. Provide a labeled and reasonable scale: suppose, as is roughly true, americans consume an average of 1. 66 cups of coffee daily. Assume american coffee consumption is normally distributed with a standard deviation of 0. 21 cups: (6 pts. ) Using the 68-95-99. 7 rule, how much coffee does the top 2. 5% of americans drink daily: (6 pts. )

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