Achievement Test Scores (ans) The data shown represent the
Chapter 3, Problem 18(choose chapter or problem)
Achievement Test Scores (ans) The data shown represent the scores on a national achievement test for a group of 10th-grade students. Find the approximate X_ X_ X_ percentile ranks of these scores by constructing a percentile graph. a. 220 6 d. 280 76 b. 245 24 e. 300 94 c. 276 68 Score Frequency 196.5217.5 5 217.5238.5 17 238.5259.5 22 259.5280.5 48 280.5301.5 22 301.5322.5 6
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