Apiel is a trademark owned by the college entrance

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Unformatted text preview: amination Board. APIEL is a trademark owned by the College Entrance Examination Board. PSAT/NMSQT is a registered trademark jointly owned by the College Entrance Examination Board and the National Merit Scholarship Corporation. Educational Testing Service and ETS are registered trademarks of Educational Testing Service. AP® STATISTICS 2002 SCORING GUIDELINES (Form B) Question 1 Solution Part (a): 2 1 0 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 Part (b): There is a strong, positive, linear relationship between swine population size and atmospheric ammonia. Part (c): Both the value of the correlation coefficient and the pattern in the scatterplot indicate that there is a positive linear relationship between the size of the swine population and atmospheric ammonia. Part (d): r2 = .72 or 72% or 72 Note: Just writing r2 is not sufficient. Copyright © 2002 by College Entrance Examination Board. All rights reserved. Advanced Placement Program and AP are registered trademarks of the College Entrance Exam...
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