Question: Scores Frequency(f) fx cf rf% 4 2 8 2 8 6 3 18 5 12 7 1 7 6 4 8 3 24 9 12

Scores

Frequency(f)

fx

cf

rf%

4

2

8

2

8

6

3

18

5

12

7

1

7

6

4

8

3

24

9

12

9

2

18

11

8

10

5

50

16

20

11

1

11

17

4

12

2

24

19

8

14

2

28

21

8

15

1

15

22

4

17

2

34

24

8

19

1

19

25

4

f = 25

f x= 256

100%

Refer to the FDT above, that is showing scores of my students and precisely answer the following questions:

1.Find the Average score of the class (Please show your solution)

2.Find the score which has 50% of students' scores above and below it (Please discuss how you found it)

3.The score that most students got (Please discuss how you found it)

4.What does the number "28" in the fx column represent?

5.What does the number "19" in the Cumulative Frequency (cf) column represent?

6.What does the number "20" in the Relative Frequency (rf) column represent?

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