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7. The lower quartile of 50 students in their final test in Mathematics 10 is 20. Which of the following statements is true? A. Twenty-five percent of the students got a score of less than or equal to 20. B. Seventy-five percent of the students got a score of less than or equal to 20. C. Thirty students got a score of 20. D. Twenty percent of the students got a score of greater than or equal to 20. 8. In a 60-item test, Pinty got a score of 52, which is the 90th percentile. What does it mean? A. She got the highest score. B. Her score is higher than 10 of her classmates. C. 90% of the class did not pass the test. D. She surpassed 90% of her classmates. 9. The 8th decile of a distribution of scores in Mathematics 10 is 45. Which of the following would be the interpretation? A. 20% of the students got a score of less than 45. B. 25% of the students got a score of 45. C. 80% of the students got a: ore of greater than or equal to 45. D. 80% of the students got a score of less than or equal to 45. 00 1 noth '1 1 Cal C. 11

7. The lower quartile of 50 students in their final test in Mathematics 10 is 20. Which of the following statements is true? A. Twenty-five percent of the students got a score of less than or equal to 20. B. Seventy-five percent of the students got a score of less than or equal to 20. C. Thirty students got a score of 20. D. Twenty percent of the students got a score of greater than or equal to 20. 8. In a 60-item test, Pinty got a score of 52, which is the 90th percentile. What does it mean? A. She got the highest score. B. Her score is higher than 10 of her classmates. C. 90% of the class did not pass the test. D. She surpassed 90% of her classmates. 9. The 8th decile of a distribution of scores in Mathematics 10 is 45. Which of the following would be the interpretation? A. 20% of the students got a score of less than 45. B. 25% of the students got a score of 45. C. 80% of the students got a: ore of greater than or equal to 45. D. 80% of the students got a score of less than or equal to 45. 00 1 noth '1 1 Cal C. 11

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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7. The lower quartile of 50 students in their final test in Mathematics 10 is 20. Which of the following statements is true? A. Twenty-five percent of the students got a score of less than or equal to 20. B. Seventy-five percent of the students got a score of less than or equal to 20. C. Thirty students got a score of 20. D. Twenty percent of the students got a score of greater than or equal to 20. 8. In a 60-item test, Pinty got a score of 52, which is the 90th percentile. What does it mean? A. She got the highest score. B. Her score is higher than 10 of her classmates. C. 90% of the class did not pass the test. D. She surpassed 90% of her classmates. 9. The 8th decile of a distribution of scores in Mathematics 10 is 45. Which of the following would be the interpretation? A. 20% of the students got a score of less than 45. B. 25% of the students got a score of 45. C. 80% of the students got a score of greater than or equal to 45. D. 80% of the students got a score of less than or equal to 45. 10 T 00 1 noth
Transcribed Image Text:7. The lower quartile of 50 students in their final test in Mathematics 10 is 20. Which of the following statements is true? A. Twenty-five percent of the students got a score of less than or equal to 20. B. Seventy-five percent of the students got a score of less than or equal to 20. C. Thirty students got a score of 20. D. Twenty percent of the students got a score of greater than or equal to 20. 8. In a 60-item test, Pinty got a score of 52, which is the 90th percentile. What does it mean? A. She got the highest score. B. Her score is higher than 10 of her classmates. C. 90% of the class did not pass the test. D. She surpassed 90% of her classmates. 9. The 8th decile of a distribution of scores in Mathematics 10 is 45. Which of the following would be the interpretation? A. 20% of the students got a score of less than 45. B. 25% of the students got a score of 45. C. 80% of the students got a score of greater than or equal to 45. D. 80% of the students got a score of less than or equal to 45. 10 T 00 1 noth
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