STATISTICS (MODE, MEDIAN MEAN)
1. The data in diagram 5 shows marks obtained by 20 participants in a quiz
1 4 6 5 4 6 3 5 4 6
2 1 2 4 6 1 2 4 2 3
a. Using the data, complete the frequency table in the answer space
b. State the mode
[3 marks]
Answer :
a)
Marks 1 2 3 4 5 6
Frequency
b)
2. The data in Diagram 6 shows the number of story books read by a group of 20
students in February.
(a) Using the data, complete the frequency table shown in the answer space.
(b) State the mode.
Answer:
a)
Number of books 1 2 3 4 5 6
Frequency
b)
3. . The data in Diagram 5 shows the scores obtained by 30 participants in a game.
(a) Using the above data, complete the frequency table shown in the answer space.
(b) State the mean.
Answer
(a)
Scores 1 2 3 4 5
Frequency
(b)
1
4. The data in Diagram 5 shows the scores obtained by 30 participants in a game.
Diagram 5
(a) Using the data, complete the frequency table shown in the answer space.
(b) State the median.
Scores 0 1 2 3 4 5
Frequency
(b)
5. Table 34 shows the size of shirts wore by a group of students.
Size of shirts 28 30 32 34 36 Table 34
Number of 14 10 6 8 7
students
Calculate the median.
6. Table 3 shows the number of books donated by a group of students in Form
3A
Numbers of 0 1 2 3 4 5
books
Frequency 3 5 4 4 6 3
Find the median of the data.
7. The data below shows the scores obtained by 15 participants in a quiz.
6 4 2
4 3 5
5 7 3
2 5 5
6 2 3
a) complete the frequency table in the answer space
b) state the mode
answer :
2
(a)
Score 2 3 4 5 6 7
frequency
(b)
8. Diagram 3 shows the scores obtained by 17 Police cadets in a shooting competition
2 1 2 4 3 1 2 4 1 3 1 3 1 1 2 3 1
Diagram 3
(a) Using the data, complete the frequency table in the answer space
(b) State the median
Answer:
(a)
Score Frequency
1
2
3
4
(b) median
9. The data in Diagram 5 shows the marks obtained by 18 candidates in a
Mathematics test
70 70 50 70 70 65 55 55 50 50 55 50 75 50 65 70 50 55
Diagram 5
(a) Using the above data, complete Table 2 shown in the answer space.
(b) State the mode
Answer :
(a)
Marks 50 55 65 70 75
Frequency
Table 2
(b)
10. Diagram 14 shows the number cards drawn by 20 students in a game.
1 3 4 4 2 3 4 5 2 3 1 2 2 3 2 3 5 2 1 4
Diagram 14
3
(a) By using the data, complete the frequency table in the answer space
(b) State the mode
Answer :
(a)
Number 1 2 3 4 5
Frequency
(b)
11. The data in Diagram 4 shows grades obtained by 20 students in Mathematics Test.
A B D C A B D A B B
A C D D C A A D A D
Diagram 4
(a) Using the data, complete the frequency table in the answer space.
(b) State the median
Answer:
(a)
Grade Frequency
A
B
C
D
(b)
12. Table 2 shows the result of a survey conducted by a computer company regarding
the number of computers owned by 30 families
Number of computers 0 1 2 3 4
Number of families 3 10 6 6 5
Table 2
(a) state the mode
(b) Find the mean number of computers owned
Answer:
(a)
(b)
