19. Achievement Test Scores The data shown represent 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. а. 220 d. 280 b. 245 e. 300 C. 276 Score Frequency 196.5-217.5 217.5-238.5 17 238.5-259.5 22 259.5-280.5 48 280.5-301.5 22 301.5-322.5 TO For the same data, find the approximate scores that cor- respond to these percentiles. f. 15th i. 65th 8. 29th h. 43rd j. 80th
19. Achievement Test Scores The data shown represent 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. а. 220 d. 280 b. 245 e. 300 C. 276 Score Frequency 196.5-217.5 217.5-238.5 17 238.5-259.5 22 259.5-280.5 48 280.5-301.5 22 301.5-322.5 TO For the same data, find the approximate scores that cor- respond to these percentiles. f. 15th i. 65th 8. 29th h. 43rd j. 80th
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question

Transcribed Image Text:19. Achievement Test Scores The data shown represent
the scores on a national achievement test for a group
of 10th-grade students. Find the approximate percentile
of 10th-grade students. Find the approximate percentile
ranks of these scores by constructing a percentile
graph.
а. 220
d. 280
b. 245
e. 300
C. 276
Score
Frequency
196.5-217.5
217.5-238.5
17
238.5-259.5
22
259.5-280.5
48
280.5-301.5
22
301.5-322.5
For the same data, find the approximate scores that cor-
respond to these percentiles.
f. 15th
i. 65th
8. 29th
h. 43rd
j. 80th
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