OMIS 2010 Final: Practice Final Exam.doc

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Calculator; formula and tables book: please place your i. d. card on your desk. Instructions: you are not allowed to leave the examination room until one hour after the start of the exam and you must sign the sign-in sheet before leaving, your examination paper must be handed in before you leave. You may only use the space provided or the back of the pages for rough work: answer the multiple choice and true/false questions on the scantron sheet supplied. Be sure to put your name and student number on the bubble sheet. Part i - problem recognition (24 marks, 2 marks each) Instructions: for each of the scenarios below, write the null and alternative hypotheses and indicate the most appropriate statistical test. You are not required to conduct the test, just choose the most suitable test from the following options: z-test; t-test; c 2-test; f-test,