# HW1 - HW1(MWF students due W 9/19 TTh students due Th 9/20...

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HW1 (MWF students - due W 9/19, TTh students – due Th 9/20) Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .UMID . . . . . . . . . . . . . . . . . . . . . . . Lecture: MWF TTh GSI: Carrie Katherine Lin Lab Section # . 1.2 (p67) – Please answer with T or F a) ___ b)___ c)___ d)___ 1.6c – A type __ error would be more serious because: 1.9a) What is the population here? b) Further describe the sample and its result. c) What is the consequence of a type 1 error? Why is it serious? d) Speculate as to the cause of a type 1 error. 1.11 - Please answer this question as though the data was statistically significant. a) Circle one: H 0 H a b) Circle one: Yes No c) In 1.16 & 1.17, use the actual # of vouchers per bag in your answer’s denominator, i.e. don’t simplify. 1.16 – Two-sided example (review Example 1.8, p35) a) α = . . . . . . . b) p-value = . . . . . . . . 1.17 – Rather than the question 1.17 asks, please answer the following a. For Ho: Bag C vs H 1 : Bag D, the test is (circle one) 1-sided to the R 1-sided to the L 2-sided b. Suppose the decision rule were that if the voucher chosen at random was \$2, then reject Ho. By this decision rule, alpha = . . . . . . . .

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• Winter '08
• Veneable
• Statistics, Statistical hypothesis testing, Ho Reject Ho

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