Exercise 1:
Grade
|
A
|
B
|
C
|
D
|
E
|
Frequency
|
3
|
8
|
14
|
9
|
6
|
1. The
table shows the distribution of grades obtained by 40 students in the PMR.
a)
How many students obtained either grade A or
grade B?
b)
If the grade E is the failing grade, find the
number of
students who passed.
c)
Which grade has the highest frequency?
2. The frequency table below shows the marks obtained by 40 students from form 3 Budiman in the first round of a mathematics quiz.
a) If students who get more than four marks will go on to the next round, how many students never made to the second round?
b) Calculate the percentage of student that can go to the second round.
2. The frequency table below shows the marks obtained by 40 students from form 3 Budiman in the first round of a mathematics quiz.
Score
|
1
|
2
|
3
|
4
|
5
|
6
|
Number of students
|
3
|
8
|
5
|
12
|
7
|
5
|
a) If students who get more than four marks will go on to the next round, how many students never made to the second round?
b) Calculate the percentage of student that can go to the second round.
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