1. Finding the Median from Cumulative Frequency Polygon Enter

2. Short-sightedness Level of 80 Form 2 Students 100 200300400500600700800 10 20 30 40 50 60 70 80 0 Degree (°) Cumulative Frequency(No. of Person) There are 80 Form 2 students with short-sightedness. Try to find out the median of their short-sightedness level. What is the median of their short- sightedness level?

3. Short-sightedness Level of 80 Form 2 Students 100 200300400500600700800 10 20 30 40 50 60 70 80 0 Degree (°) Cumulative Frequency(No. of Person) 40th 340 degree Median = Next question The median can be found at the 40 th student. The median degree of their short- sightedness is 340°.

4. Daily Study Time of 100 Form 1 Students There are 100 Form 1 students. Try to find out the median of their daily study time. Where is the median of the daily study time of the 100 students?

5. 50th 54 Minutes Median = Next question Daily Study Time of 100 Form 1 Students The median of their daily study time can be found at the 50 th student. The median is 54 minutes.

6. Results of Mathematics Test of 40 Form 2A Students 0 405060 708090100 5 10 15 20 25 30 35 40 Cumulative Frequency (No. of Person) Marks There are 40 students in Form 2A. Find out the median of their results in the Mathematics test. Where is the median?

7. 20th 55 marks Median = Next question 0 405060 708090100 5 10 15 20 25 30 35 40 Cumulative Frequency (No. of Person) Marks Results of Mathematics Test of 40 Form 2A Students Since there are 40 students in Form 2A, the median can be found at the 20 th student. The median is 55 marks.

8. Salary of 40 Employees of Tai Yat Company There are 40 employees in this company. Try to find out the median of their salary. Where is the median?

9. Salary of 40 Employees of Tai Yat Company 20th $18400 Median = Continue Since there are 40 employees in this company, the median of their salary can be found at the 20 th employee. The median is 18400 dollars.

10. The End