Concept explainers
Percentiles. The pth percentile of a sorted data set is a number
Table 17-9
Percentile | Approximate location | Percentile | Approximate location |
99th |
|
1st |
|
95th |
|
5th |
|
90th |
|
10th |
|
80th |
|
20th |
|
75th |
|
25th |
|
70th |
|
30th |
|
60th |
|
40th |
|
50th |
|
In Exercises 67 through 73, you should use the table to make your estimates.
Consider again the college entrance exam discussed in Exercise 68.
a. Mary scored 83 points on the exam. Estimate the percentile in which this score places her.
b. Adam scored 45 points on the exam. Estimate the percentile in which this score places him.
c. If there are 250 students that scored 35 points or less on the exam, estimate the total number of students who took the exam.
Learn your wayIncludes step-by-step video
Chapter 17 Solutions
Excursions in Modern Mathematics (9th Edition)
Additional Math Textbook Solutions
Fundamentals of Differential Equations and Boundary Value Problems
Mathematics with Applications In the Management, Natural and Social Sciences (11th Edition)
Thinking Mathematically (6th Edition)
Finite Mathematics & Its Applications (12th Edition)
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences
Thinking Mathematically (7th Edition)
- Calculus For The Life SciencesCalculusISBN:9780321964038Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.Publisher:Pearson Addison Wesley,Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt
- Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL