19. Achievement Test Scores The data shown represen the scores on a national achievement test for a group of 10th-grade students. Find the approximate percentile ranks of these scores by constructing a percentile graph. a. 220 b. 245 c. 276 d. 280 e. 300 Score 196.5-217.5 217.5-238.5 238.5-259.5 259.5-280.5 280.5-301.5 301.5-322.5 Frequency 17 48 For the same data, find the approximate scores that cor- respond to these percentiles. f 15th g. 29th h. 43rd i. 65th j. 80th
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19. Achievement Test Scores The data shown represen the scores on a national achievement test for a group of 10th-grade students. Find the approximate percentile ranks of these scores by constructing a percentile graph. a. 220 b. 245 c. 276 d. 280 e. 300 Score 196.5-217.5 217.5-238.5 238.5-259.5 259.5-280.5 280.5-301.5 301.5-322.5 Frequency 17 48 For the same data, find the approximate scores that cor- respond to these percentiles. f 15th g. 29th h. 43rd i. 65th j. 80th
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