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28. Verbal GRE Scores. The Graduate Record Examination (GRE) is a standardized test that students usually take before entering grad- uate school. According to the document GRE Guide to the Use of Scores, a publication of the Educational Testing Service, the scores on the verbal portion of the GRE have mean 150 points and standard deviation 8.75 points. Assuming that these scores are (approximately) normally distributed, a. obtain and interpret the quartiles. b. find and interpret the 99th percentile.

28. Verbal GRE Scores. The Graduate Record Examination (GRE) is a standardized test that students usually take before entering grad- uate school. According to the document GRE Guide to the Use of Scores, a publication of the Educational Testing Service, the scores on the verbal portion of the GRE have mean 150 points and standard deviation 8.75 points. Assuming that these scores are (approximately) normally distributed, a. obtain and interpret the quartiles. b. find and interpret the 99th percentile.

MATLAB: An Introduction with Applications
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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28. Verbal GRE Scores. The Graduate Record Examination (GRE) is a standardized test that students usually take before entering grad- uate school. According to the document GRE Guide to the Use of Scores, a publication of the Educational Testing Service, the scores on the verbal portion of the GRE have mean 150 points and standard deviation 8.75 points. Assuming that these scores are (approximately) normally distributed, a. obtain and interpret the quartiles. b. find and interpret the 99th percentile. 29. Verbal GRE Scores. Refer to Problem 28, and fill in the fol- lowing blanks. a. Approximately 68% of students who took the verbal portion of the GRE scored between b. Approximately 95% of students who took the verbal portion of the GRE scored between and and c. Approximately 99.7% of students who took the verbal portion of the GRE scored between and
Transcribed Image Text:28. Verbal GRE Scores. The Graduate Record Examination (GRE) is a standardized test that students usually take before entering grad- uate school. According to the document GRE Guide to the Use of Scores, a publication of the Educational Testing Service, the scores on the verbal portion of the GRE have mean 150 points and standard deviation 8.75 points. Assuming that these scores are (approximately) normally distributed, a. obtain and interpret the quartiles. b. find and interpret the 99th percentile. 29. Verbal GRE Scores. Refer to Problem 28, and fill in the fol- lowing blanks. a. Approximately 68% of students who took the verbal portion of the GRE scored between b. Approximately 95% of students who took the verbal portion of the GRE scored between and and c. Approximately 99.7% of students who took the verbal portion of the GRE scored between and
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