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A Can You Curve the Test Scores? Mr. Wilcox is considering two options for bumping up the test scores for Chapter 1. But how would
A Can You Curve the Test Scores? Mr. Wilcox is considering two options for bumping up the test scores for Chapter 1. But how would this affect the distribution of scores? Recall the Chapter 1 Test scores from the previous lesson. 60 65 65 75 75 77 77 78 79 80 80 80 80 81 82 87 90 93 97 99 Option 1: The 5 point gift. Mr. Wilcox adds 5 to each of the scores. Fill in the table and the dotplot below Test Score 60 65 65 75 75 77 77 78 79 80 80 80 80 81 82 87 90 93 97 99 Test Score + 5 Dotplot for Test Score 8 80.8.. O 60 65 70 75 80 85 95 Test Score Dotplot for Test Score + 5 60 65 70 75 80 85 90 95 Test Score + 5 1. What happens to the shape, center, and variability when adding 5? Option 2: Double the scores! Mr. Wilcox doubles each score (yeah right!) Fill in the table and the dotplot below. est Score 60 65 65 75 75 77 77 78 79 80 80 80 80 81 82 87 90 93 97 99 Test Score X 2 Dotplot for Test Score 8 80080 60 70 75 80 35 90 95 Test Score Dotplot for Test Score X 2 . 120 130 140 150 160 170 180 190 Test Score X 2 2. What happens to the shape, center, and variability when scores are doubled? STATS
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