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This is a minus copyright 2002 by college entrance

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Unformatted text preview: 990. The statement must be backed up by appropriate graphs, such as two histograms (with appropriate scales) or two boxplots. Histograms NOTE: If the student just uses the default intervals on the calculator, they will get odd looking histograms. (This is a minus.) Copyright © 2002 by College Entrance Examination Board. All rights reserved. Advanced Placement Program and AP are registered trademarks of the College Entrance Examination Board. 21 AP® STATISTICS 2002 SCORING GUIDELINES (Form B) Question 6 (cont’d.) Other acceptable graphs include: Boxplots: Segmented Bar Graph 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 1990 2000 Scoring Part (a) is Essentially correct if All four parts of the test are essentially correct (except minor arithmetic errors). Since there are so many parts, do not count off if degrees of freedom are omitted. Not defining µ1 and µ2 is a minus. Almost essentially correct if Three parts are essentially correct and communication is very good. Partially correct if Two or three of the parts of the test are essentially correct. NOTES: 1....
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