Give the modal percentage for Class A. Calculate the missing value H if the average percentage mark for Class A is 70% .

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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1.6
Give the modal percentage for Class A.
4
1.7
Calculate the missing value H if the average percentage mark for Class A is 70% .
Transcribed Image Text:1.6 Give the modal percentage for Class A. 4 1.7 Calculate the missing value H if the average percentage mark for Class A is 70% .
The two, box and whisker diagrams below show the percentage marks obtained by two Grade
12 classes. Each class has 26 learners.
Class A
Class B
O 10 20 30 40 50 60 70 80 90 100
The percentage marks for Class A, arranged in order, are given below:
F:
58
60
62
62
63
65
65
66
66
66
66
67
69
70
71
73
73
90
[SASAMS database]
75
75
75
H
80
83
85
NOTE:
Fis the lowest percentage mark
H is a percentage mark between 75 and 80
Transcribed Image Text:The two, box and whisker diagrams below show the percentage marks obtained by two Grade 12 classes. Each class has 26 learners. Class A Class B O 10 20 30 40 50 60 70 80 90 100 The percentage marks for Class A, arranged in order, are given below: F: 58 60 62 62 63 65 65 66 66 66 66 67 69 70 71 73 73 90 [SASAMS database] 75 75 75 H 80 83 85 NOTE: Fis the lowest percentage mark H is a percentage mark between 75 and 80
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