hw1 - values, and what decisions you would make. Does the...

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06E:071, Fall 2011 due Sep. 6 Homework 1 1. Exercise 6.39 (p. 383). (Note that although the data is in percentages, it is not a test of the population proportion. The standard deviation is given as well.) 2. Exercises 6.43 and 6.44 (p. 385). When it says “a Normal population” you can take that to mean standard normal — the mean μ = 0 and the standard deviation σ = 1 — but the mean and standard deviation don’t really matter. When the book says SRS they mean “simple random sample”. 3. Exercise 6.47 (p. 389). Also state what critical values you would use if you weren’t using p-
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Unformatted text preview: values, and what decisions you would make. Does the decision you make using a p-value agree with the decision you make using a critical value? 4. Exercise 6.122 (p. 417). 5. Exercise 7.5 (p. 430). Before you conduct the test, calculate the mean and standard deviation by hand (i.e. show your work). 6. Exercise 7.6 (p. 430). 7. Exercise 8.6 (p. 501). 8. Exercise 8.43 (a) (p. 509). We will do confidence intervals next time, so don’t worry about part (b) for now. 1...
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This note was uploaded on 09/26/2011 for the course 06E 071 taught by Professor Stuff during the Spring '11 term at University of Iowa.

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