sample-midterm-1.pdf - Stats 20 Lec 1 and 2 Sample Midterm 1 Questions Version A Introduction to Statistical Programming with R UCLA Fall 2019 In the

sample-midterm-1.pdf - Stats 20 Lec 1 and 2 Sample Midterm...

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Stats 20 Lec 1 and 2: Sample Midterm 1 Questions Version A Introduction to Statistical Programming with R UCLA, Fall 2019 In the Version section of your scantron, bubble in A for Version A. Disclaimer: These 20 practice questions are meant to illustrate the format and approximate difficulty of typical multiple choice questions on the actual exam (some exam questions may be more difficult). Not all topics covered on the exam are necessarily represented. Instructions: You have 45 minutes to complete the following questions. This exam is closed book. No calculators or other electronic devices are allowed. Good luck! Academic Misconduct: Any potential violation of UCLA’s policy on academic integrity will be reported to the Office of the Dean of Students. All work on this exam must be your own. By signing my name below, I hereby understand and agree to abide by the instructions above and UCLA’s policy on academic integrity. All work I submit is a product of my own honest effort. Name: UID: Signature: (Turn over when exam starts)
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2 Stats 20 Lec 1 and 2: Sample Midterm 1 Questions Mark your answers to all questions on the scantron provided. Any answers marked on these pages will not be scored. The following information is used in Problems 1 and 2. Consider the following command: > x <- c( -3 ,4/9 ,2.5 ,0) Problem 1 Which of the following will extract the number 0 from x ?
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