homework10-2010

homework10-2010 - Homework over chapter 15. Name _ Assume...

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Name ___________________________________ Assume you are considering growing 3 crops, cotton, wheat, and soybeans. Alabama yield data from 1990 to 2009 is given in the table below: Year cotton yield wheat yield soybeans yield 1990 476 35 17 1991 655 25 23 1992 731 44 29 1993 524 34 24 1994 766 48 31 1995 409 36 24 1996 734 44 34 1997 597 42 25 1998 559 42 22 1999 535 48 16 2000 492 54 18 2001 730 48 35 2002 507 40 24 2003 772 41 36 2004 724 48 35 2005 747 50 33 2006 579 57 20 2007 519 42 21 2008 787 71 35 2009 691 55 40 1) Perform a correlation analysis (report to two decimal point accuracy). cotton-wheat correlation coefficient _______________ cotton-soybeans correlation coefficient ______________ wheat-soybeans correlation coefficient _______________ 2) Report mean, standard deviation, and coefficient of variation for the three crops (without detrending them). Crop
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homework10-2010 - Homework over chapter 15. Name _ Assume...

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