1. Lesson 5

1.6. Explore 2

Mathematics 30-3 Module 4

Module 4: Statistics

 

Self-Check 1

 

Use Percentile Explorer to investigate how percentile rank works.

 

 

This is a play button for Percentile Explorer.

 

Use Percentile Explorer to answer the questions and complete the table.

 

Total Number of People

Number of People Hugo Is Taller Than 

Hugo's Percentile Rank

20

8

 

40

8

 

65

8

 

50

 

90

27

 

63

 

12

34
  1. In a classroom of 20 students, Hugo is taller than 8 people. What is Hugo's percentile rank? Answer
  2. Does changing the class size to 40 students change his percentile rank? What is his percentile rank if he is still taller than 8 students in a class of 40? Complete the rest of the table. Answer

Percentile Explorer gave you insight on how percentages and population sizes are related to percentile rank. Carry on to understand percentile rank better.