Student's Solutions Manual For Intro Stats
5th Edition
ISBN: 9780134265353
Author: William B Craine
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 54E
Flights 2016 Here are the number of domestic flights flown in each year from 2000 to 2016 (www.transtats.bts.gov/homepage.asp):
Year | Flights |
2000 | 7,905,617 |
2001 | 7,626,312 |
2002 | 8,085,083 |
2003 | 9,458,818 |
2004 | 9,968,047 |
2005 | 10,038,373 |
2006 | 9,712,750 |
2007 | 9,839,578 |
2008 | 9,378,227 |
2009 | 8,768,938 |
2010 | 8,702,365 |
2011 | 8,649,087 |
2012 | 8,446,201 |
2013 | 8,323,938 |
2014 | 8,107,802 |
2015 | 8,061,158 |
2016 | 4,036,068 |
- a) Find the
correlation of Flights with Year. - b) Make a
scatterplot and describe the trend. - c) Why is the correlation you found in part a not a suitable summary of the strength of the association?
- d) In turns out that the value reported for 2016 was only for the period January to June. What should we have done with that point?
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Student's Solutions Manual For Intro Stats
Ch. 6.2 - Your statistics instructor tells you that the...Ch. 6.2 - Your statistics instructor tells you that the...Ch. 6.2 - Your statistics instructor tells you that the...Ch. 6.2 - Prob. 4JCCh. 6.2 - Prob. 5JCCh. 6 - Association Suppose you were to collect data for...Ch. 6 - Association II Suppose you were to collect data...Ch. 6 - Bookstore sales Consider the following data from a...Ch. 6 - Prob. 4ECh. 6 - Prob. 5E
Ch. 6 - Correlation facts II If we assume that the...Ch. 6 - Prob. 7ECh. 6 - Prob. 8ECh. 6 - Prob. 9ECh. 6 - Prob. 10ECh. 6 - Association III Suppose you were to collect data...Ch. 6 - Association IV Suppose you were to collect data...Ch. 6 - Prob. 13ECh. 6 - Prob. 14ECh. 6 - Prob. 15ECh. 6 - Prob. 16ECh. 6 - Firing pottery A ceramics factory can fire eight...Ch. 6 - Coffee sales Owners of a new coffee shop tracked...Ch. 6 - Matching Here are several scatterplots. The...Ch. 6 - Matching II Here are several scatterplots. The...Ch. 6 - Prob. 21ECh. 6 - Car thefts The National Insurance Crime Bureau...Ch. 6 - Prob. 23ECh. 6 - Antidepressants A study compared the effectiveness...Ch. 6 - Streams and hard water In a study of streams in...Ch. 6 - Traffic headaches A study of traffic delays in 68...Ch. 6 - Cold nights Is there an association between time...Ch. 6 - Association V A researcher investigating the...Ch. 6 - Prob. 29ECh. 6 - Prob. 30ECh. 6 - Correlation errors Your Economics instructor...Ch. 6 - More correlation errors Students in the Economics...Ch. 6 - Height and reading A researcher studies children...Ch. 6 - Prob. 34ECh. 6 - Correlation conclusions I The correlation between...Ch. 6 - Prob. 36ECh. 6 - Prob. 37ECh. 6 - Sample survey A polling organization is checking...Ch. 6 - Income and housing The Office of Federal Housing...Ch. 6 - Interest rates and mortgages 2015 Since 1985,...Ch. 6 - Fuel economy 2016 Here are engine size...Ch. 6 - Drug abuse A survey was conducted in the United...Ch. 6 - Prob. 43ECh. 6 - Burgers again In the previous exercise you...Ch. 6 - Prob. 45ECh. 6 - Second inning 2016 Perhaps fans are just more...Ch. 6 - Prob. 47ECh. 6 - Prob. 48ECh. 6 - Thrills 2013 Since 1994, the Best Roller Coaster...Ch. 6 - Thrills II For the roller coaster data in Exercise...Ch. 6 - Prob. 51ECh. 6 - Vehicle weights The Minnesota Department of...Ch. 6 - Prob. 53ECh. 6 - Flights 2016 Here are the number of domestic...
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