Midterm_2006 - SCHULICH SCHOOL OF BUSINESS YORK UNIVERSITY...

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SCHULICH SCHOOL OF BUSINESS YORK UNIVERSITY SESSION: FALL 2006 Mid-Term Exam NAME: COURSE NO: OMIS1000 I.D. # : COURSE TITLE: Statistics for Management SECTION: PROFESSORS: Alan Marshall; Olga Kaminer; Hila Cohen NUMBER OF PAGES : XX pages (NOT including tables) LENGTH OF EXAMINATION: 150 minutes EXAMINATION AIDS ALLOWED: Calculator; Formula sheet INSTRUCTIONS: Please place your I.D. card on your desk. 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. When you are finished please leave the exam room quietly. Cheating on an examination will result in an “F” grade in the course concerned and possible suspension from the University. All notes, briefcases, and books must be deposited at the front of the room. You are not allowed to use your own paper for rough work. 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 bubble sheet supplied. Be sure to put your name and student number on the bubble sheet. In Part III, place your answers in the answer boxes, where supplied. Count the pages to be certain that there are no pages missing. Do not remove the staple from the exam. Do not begin this examination until you are instructed to do so. Do not write in the mark summary table below. Part I – Multiple Choice 20 marks Part II – True/False 10 marks Part III – Problems Question 1 4 marks Question 2 10 marks Question 3 10 marks Question 4 4 marks Question 5 10 marks Question 6 20 marks Question 7 12 marks Sub-total 70 marks TOTAL 100 marks
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OMIS1000 MIDTERM EXAMINATION PART I – MULTIPLE CHOICE QUESTIONS (20 MARKS, 2 marks each) Circle the best answer for each question below. There is only one correct answer. There is no penalty for guessing. 1) A cell phone service provider has 14,000 customers. Recently, the sales department selected a random sample of 400 customer accounts and recorded the number of minutes of long distance time used during the previous billing period. The company analyst used Excel to sort these values in order from high to low. She then assigned the highest value a rank of 1, the next highest value a rank of 2, and so forth. These ranks would be considered to be: a) Ordinal data b) Nominal data c) Time series data d) Interval data 2) a) It shows the general distribution of a quantitative variable. b) The detail of the data is preserved. c) It can be used with nominal data. d) There are no advantages. 3) The chairman of the statistics department in a certain college believes that 60% of the department's graduate assistantships are given to international students. A random sample of 100 graduate assistants is taken. What is the standard error of the sampling distribution of P-bar? a)
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Midterm_2006 - SCHULICH SCHOOL OF BUSINESS YORK UNIVERSITY...

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