# ExamIQA - GE 331 / IE 300 SAMPLE MT1 EXAM QUESTIONS 1. In a...

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GE 331 / IE 300 SAMPLE MT1 EXAM QUESTIONS 1. In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of the __________ scale. a) Ordinal b) Nominal c) Ratio d) Interval Answer: b 2. The Central Limit Theorem is important in Statistics because: a) It tells us that large samples do not need to be selected. b) It guarantees that, when it applies, the samples that are drawn are always randomly selected. c) It enables reasonably accurate probabilities to be determined for events involving the sample average when sample size is large regardless of the distribution of the variable. d) It tells us that if several samples have produced sample averages, which seem to be different than expected, the next sample average will likely to be close to its expected value. e) It is the basis for much of the theory that has been developed in the area of discrete random variables and their probability distributions. Answer: c 3. A factory produces items with p =0.10 defective probability. Items are distributed in boxes of n =20. Hence the number of defective items,

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## This note was uploaded on 01/26/2012 for the course IE IE 300 taught by Professor Zafarani during the Spring '09 term at University of Illinois, Urbana Champaign.

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ExamIQA - GE 331 / IE 300 SAMPLE MT1 EXAM QUESTIONS 1. In a...

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