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

Problem 1P

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

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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