Intro Stats Plus Student Solutions Manual (4th Edition)
4th Edition
ISBN: 9780321932815
Author: Richard D. De Veaux, Paul F. Velleman, David E. Bock
Publisher: PEARSON
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Textbook Question
Chapter 21, Problem 20E
Wind speed, part II In Exercise 18, we saw summary statistics for wind speeds at two sites near each other, both being considered as locations for an electricity-generating wind turbine. The data, recorded every 6 hours for a year, showed each of the sites had a mean wind speed high enough to qualify, but how can we tell which site is best? Here are some displays:
- a) The boxplots show outliers for each site, yet the histogram shows none. Discuss why.
- b) Which of the summaries would you use to select between these sites? Why?
- c) Using the information you have, discuss the assumptions and conditions for paired t inference for these data. (Hint: Think hard about the independence assumption in particular.)
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Intro Stats Plus Student Solutions Manual (4th Edition)
Ch. 21.4 - Think about each of the situations described...Ch. 21.4 - Prob. 2JCCh. 21.4 - Are parents equally strict with boys and girls? In...Ch. 21.4 - Prob. 4JCCh. 21.4 - Prob. 5JCCh. 21 - SECTION 18.1 1. Which method? Which of the...Ch. 21 - Prob. 2ECh. 21 - SECTION 18.2 3. Cars and trucks We have data on...Ch. 21 - Prob. 4ECh. 21 - Prob. 5E
Ch. 21 - Prob. 6ECh. 21 - Blocking cars and trucks Thinking about the data...Ch. 21 - Prob. 8ECh. 21 - Prob. 9ECh. 21 - Prob. 10ECh. 21 - Prob. 11ECh. 21 - Freshman 15? Many people believe that students...Ch. 21 - Prob. 13ECh. 21 - Prob. 14ECh. 21 - Prob. 15ECh. 21 - Friday the 13th, accidents The researchers in...Ch. 21 - Prob. 17ECh. 21 - Prob. 18ECh. 21 - Prob. 19ECh. 21 - Wind speed, part II In Exercise 18, we saw summary...Ch. 21 - Prob. 21ECh. 21 - Prob. 22ECh. 21 - 23. Temperatures The following table gives the...Ch. 21 - Prob. 24ECh. 21 - Prob. 25ECh. 21 - Brain waves An experiment was performed to see...Ch. 21 - Prob. 27ECh. 21 - Prob. 28ECh. 21 - Prob. 29ECh. 21 - Prob. 30ECh. 21 - Stopping distance A tire manufacturer tested the...Ch. 21 - Stopping distance 60 For another test of the tires...Ch. 21 - Prob. 33ECh. 21 - Prob. 34ECh. 21 - Prob. 35ECh. 21 - Prob. 36ECh. 21 - Prob. 37ECh. 21 - 38. Marathon start-up years 2010 When we...Ch. 21 - BST Many dairy cows now receive injections of BST,...Ch. 21 - BST II In the experiment about hormone injections...
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