B4090.HW5

# B4090.HW5 - BTRY 4090 STSCI 4090 Spring 2011 Homework 5 Due...

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BTRY 4090 / STSCI 4090 Spring 2011 Homework 5 Due at 2:00pm on Friday, March 11 in 1198 Comstock Hall 1. Larsen & Marx p. 360, Question 6.2.1 modified : For each of the following hypothesis tests, state the decision rule, evaluate the appropriate test statistic, and state your conclusion about whether or not to reject the null hypothesis. (a) 0 : 120 H versus 1 : 120 H ; 114.2 y , 25 n , 2 18 ( 324) , 0.08 . (b) 0 : 120 H versus 1 : 120 H ; 114.2 y , 25 n , 2 18 ( 324) , 0.08 . (c) 0 : 120 H versus 1 : 120 H ; 114.2 y , 25 n , 2 18 ( 324) , 0.08 . 2. Larsen & Marx p. 360, Question 6.2.2 modified : Instead of α = 0.06, employ the commonly used values (a) α = 0.10, (b) α = 0.05, (c) α = 0.01, and (d) α = 0.001. 3. Larsen & Marx p. 360, Question 6.2.4. Be sure to state the model (specifying all assumptions), the null hypothesis, the alternative hypothesis, the test statistic, the critical region, the statistical inference, and the real-world conclusion.
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