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2.3 Determine the mean of the class.   2.4 In which percentage interval did the most learners fall.

2.3 Determine the mean of the class.   2.4 In which percentage interval did the most learners fall.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Question

The following are Math marks out of 50 obtained in a Grade 9 class of 30 learners:

14

21

29

32

36

43

41

17

43

31

38

35

32

29

27

23

36

25

22

26

40

28

47

30

24

46

25

44

42

39

 

2.1 Complete The Following Table

Class intervals

Tally

Frequency

1 – 10

  

 

11 – 20

 

 

21 – 30

 

 

31 – 40

 

 

41 – 50

 

 

Total

 

2.3

Determine the mean of the class.

 

2.4

In which percentage interval did the most learners fall.

 

2.5

How many learners did not pass this test?
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