Lesson Example Discussion Quiz: Class Homework |
Step-5 |
Title: Percentile Range |
Grade: 9-a Lesson: S2-L6 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
The following data give the number of students suspended in the Tri-City School District for each of the past 12 weeks.Find the percentile rank of 7. |
15,9,12,11,7,6,9,10,14,3,6,5 |
2 |
Formula: |
Percentile = \$"Number of values below x" / "Total number of values " \$ × 100 |
|
3 |
Step |
Arrange the data in ascending order |
\$3,5,6,6,7,9,9,10,11,12,14,15\$ |
4 |
Step |
Total number of values 'N' = 12, Number of values below '7' = 4 |
|
5 |
Step |
Percentile |
\$4/12\$ × 100 |
6 |
Step |
Simplification |
\$1/3\$ × 100 |
7 |
Step |
After simplification |
\$0.33 × 100 \$ ⇒ 33 |
8 |
Step |
P = 33 |
7 marks point at 33rd percentile. |
9 |
Answer |
D |
Tutor: Questions
| Seq | Type | Question | Audio |
|---|---|---|---|
1 |
Problem |
What did you learn from this problem? |
|
2 |
Clue |
What did you learn from the clues? |
|
3 |
Hint |
What did you learn from the Hints? |
|
4 |
Step |
What did you learn from the Steps? |
|
5 |
Step |
How can we improve the Steps? |
Copyright © 2020-2022 saibook.us Contact: info@saibook.us Version: 1.5 Built: 13-March-2023 06:00 AM EST