STAT 102 Final: STAT 102 UPenn FinalexFall
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There are blank pages at the end of the exam if you need more room. For each of the situations described below, state the technique (from the list above) that you believe is the most applicable. To investigate its length of life, 225 of the new cartridges were tested by counting the number of high-quality printed pages each was able to produce. The sample mean and standard deviation were 1,511. 4 pages and 35. 7 pages, respectively. The historical average lifetime for cartridges produced by the current process is 1,502. 5 pages: [2 points] a large proportion of u. s. teenagers work while attending high school. These heavy workloads often result in underachievement in the classroom and lower grades. A study of high school students in california showed that those who worked only a few hours per week had the highest grade point averages.
