Review Final Exam STAT 190(1)

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Truman State University *

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190

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Statistics

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Feb 20, 2024

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docx

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Uploaded by BarristerCrabMaster699

Review Final Exam STAT 190 Group A Group A contains 20 multiple choice questions from Chapter 1--- Chapter 11. For the short questions, I recommend you to go through each multiple choice homework questions and the materials in the power point slides instruction materials. Group B Group B contains 3-4 questions from Chapter 1--- Chapter 10. For each questions you need to show your work. You will not get credit if you do not show your work . Here are some example of long questions: 1) Ethan and Drew went on a 5-day fishing trip. The number of fish caught and released by two boys each day was as follows: Ethan 1 3 2 4 5 Drew 1 2 1 4 2 a) Find the mean number of fish caught per day by each fisherman. (Answer: 3, 2) b) Compute the standard deviations. Which fisherman has consistence record? (Answer: 1.58, 1.22, Drew) 2) A survey of 11 randomly selected full time students was conducted in the fall 2015 semester. In the survey, the students were asked to disclose their weekly spending on entertainment. The results of the survey are as follows: 2 54 64 33 65 32 21 16 22 39 150 Ascending Data: 2 16 21 22 32 33 39 54 64 65 150 a) Compute Inter Quartile Range(IQR) (Answer: 43) b) Compute the lower fence. (Answer: -43.5) c) Compute upper fence (Answer: 128.5) d) Check the data set for outlier. (Answer: 150 outlier) 3) Determine whether the Los Angeles Angels or the Colorado Rockies had a relatively better run- producing season. The Angels scored 773 runs, play in the American League, where the mean number of runs scored was 677.4, and standard deviation was 51.7 runs. The Rockies scored 755 runs, play in the National League, where the mean number of runs scored was 640, and the standard deviation was 55.9 runs. (Answer: Colorado Rockies)

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