UT Knoxville STAT 201 - Practice Exam 1 - FA12 (13 pages)

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Practice Exam 1 - FA12



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Practice Exam 1 - FA12

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Pages:
13
School:
University of Tennessee
Course:
Stat 201 - Introduction to Statistics
Introduction to Statistics Documents

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Statistics 201 Exam 1 from Fall 2012 Practice Exam This practice exam is provided solely for the purpose of familiarizing you with the format and style of the Stat 201 exams There is no explicit or implicit guarantee that the upcoming exam will ask similar questions If you use the practice exam as your only tool to help you prepare for the upcoming exam you most likely will not do well on the exam You should still do the things you would have done if you did not have access to this practice exam such as re read the text go over your class notes re work the online homework problems and look at the list of exam topics provided and make sure that you understand all the concepts listed within it 1 1 The following represents box plots of three different groups Answer the questions below based on what you see in the image i 2 points The group with the largest overall range is circle the best answer a b c d Group 1 Group 2 Group 3 Cannot be determined from box plots ii 2 points The group with the largest IQR is circle the best answer a b c d Group 1 Group 2 Group 3 Cannot be determined from box plots iii 2 points The group that seems to have a few outliers is circle the best answer a b c d e Group 1 Group 2 Group 3 No group has any outliers Cannot be determined from box plots 2 Question 1 continued iv 2 points The group that is skewed left is circle the best answer a b c d e Group 1 Group 2 Group 3 No group is skewed left Cannot be determined from box plots v 2 points The group that is bimodal is circle the best answer a b c d d Group 1 Group 2 Group 3 No group is bimodal Cannot be determined from box plots vi 2 points What is the approximate median of Group 3 3 2 To improve their recruiting approach the admissions office wants to determine if there is a relationship between a potential student s birth order and whether they will choose to go to college in state The office decided to randomly select 370 students who are currently students at UT and the results are listed



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