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finalexam-practice

# finalexam-practice - IE 330 Seat Name Open book and notes...

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IE 330 Seat # ________ Name _______________________ Open book and notes. 120 minutes. Cover page and six pages of exam. No calculators. Score ___________________________ Final Exam (example) Schmeiser

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Name _______________________ Open book and notes. No calculator. 120 minutes. 1. True or false. (for each, 2 points if correct, 1 point if left blank.) (a) T F In hypothesis testing, we assume that H 0 is true and ask whether the data are consistent with that assumption. (b) T F In regression analysis, we explain variability in the dependent variable by relating it to independent variable(s). (c) T F In confidence intervals, the confidence arises from the procedure, not from the particular interval. (d) T F The F distribution is used to compare variances. (e) T F The T distribution is used to compare means. (f) T F If X and Y have zero correlation, then Cov( X , Y ) is not defined. (g) T F The acronym "iid" means "independent and identically distributed". (h) T F Decreasing the type-one error probability increases the power of the test. 2. (Montgomery and Runger, Problem 11–1) An article in Concrete Research ("Near Surface Characteristics of Concrete: Intrinsic Permeability," 41, 1989), presented data on comprehensive strength x and intrinsic permeability
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finalexam-practice - IE 330 Seat Name Open book and notes...

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