problemset7

# problemset7 - variable for weight change. * For part (c),...

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Problem Set 7 STAT 3022, section 005 03/08/2011 The following should be completed by Tuesday, March 22. Assigned Reading Section 7.3: Optional Topics in Comparing Distributions (pp 473–479) Section 8.1: Inference for a Single Proportion (pp 487–502) Section 8.2: Comparing Two Proportions (pp 505–517) Section 9.1: Inference for Two-Way Tables (pp 525–536) Section 9.2: Formulas and Models for Two-Way Tables (pp 536–545) Problems To Turn In “Pencil and Paper” Problems - No R output needed (unless you use R to calculate your answer) 6.112, 7.20, 7.71, 7.85 Problems to do in R 7.24; data = http://www.stat.umn.edu/ ~ graalum/data/ch7/ex07_024.txt * For part (a), use a Normal Q-Q plot to answer the question. 7.32; data = http://www.stat.umn.edu/ ~ graalum/data/ch7/ex07_032.txt * Only do parts (a), (c), and (e) . * For part (a), all you need to turn in is the code you used to create the
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Unformatted text preview: variable for weight change. * For part (c), calculate the interval using the t.test() command (you should still interpret the C.I.). * For part (e), perform the test using the t.test() command (you should still specify your hypotheses and state your conclusion from the test). – 7.82; data = http://www.stat.umn.edu/ ~ graalum/data/ch7/ex07_82.txt * For part (a), just do separate histograms instead of a back-to-back stemplot. The following code will generate a side-by-side boxplot: boxplot(dbh~ew) * For part (d), perform the test using the t.test() command (you should still summarize your conclusion). Include all relevant R input and output. Describe the output in your own words. You may ﬁnd the code included in the lab exercises useful....
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## This note was uploaded on 08/31/2011 for the course STAT 3101 taught by Professor Erick during the Spring '11 term at Minnesota.

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