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- Multiple ChoicePlease save your changes before editing any questions.
The mean of 9, 6, 4, 8, 7, 2 is
3
5.5
6
7
- Multiple ChoicePlease save your changes before editing any questions.
The data which occurs most frequently in a distribution is called the
median
mean
mode
range
- Multiple ChoicePlease save your changes before editing any questions.
The numbers 13, 7, 18, 13, 12, 13, 10, 7, 18, 2, 3 are scores on a test. What does 13 represent?
the median
the mode
the mean
the range
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is NOT a type of average?
median
mode
mean
range
- Multiple ChoicePlease save your changes before editing any questions.
The median of 3, 2, 6, 2, 3, 7, 4 is
2
2.5
3
4
- Multiple ChoicePlease save your changes before editing any questions.
The mean of six number is 15. If five of those numbers are 10, 12, 15, 16 and 17, the remaining number is
15
20
70
90
- Multiple ChoicePlease save your changes before editing any questions.
If the mean of the four numbers 2, 4, , and 6 is 5, then is
2
6
8
16
- Multiple ChoicePlease save your changes before editing any questions.
A company employs 10 workers at $3500 per month and 5 clerks at $2000 per month. What is the mean monthly wage of the 15 employees?
$ 225
$ 300
$ 2250
$ 3000
- Multiple ChoicePlease save your changes before editing any questions.
Questions 9 - 11 refer to the information below, which shows the raw data of scores obtained by 20 students in a test.
2 6 4 5 4
4 5 8 2 6
5 4 2 5 3
4 5 6 3 5
Which of the frequency tables below, represent the above information?
[Hint: Do your own frequency table in your book and see which on matches]
- Multiple ChoicePlease save your changes before editing any questions.
What is the mean score?
[Hint: Use the correct frequency table from the previous question and multiple scores by frequency and add them up and by the total frequency.]3.5
4.4
4.7
5.5
- Multiple ChoicePlease save your changes before editing any questions.
What is the modal score?
[Hint: Using the correct frequency table from question 9.]
2
3
4
5
- Multiple ChoicePlease save your changes before editing any questions.
The marks of ten students in an MCQ test were:
17, 13, 14, 19, 18, 17, 15, 9, 15.
What is the modal mark?
15
17
15, 17
17, 19
- Multiple ChoicePlease save your changes before editing any questions.
15.6
16.1
16.3
22
- Multiple ChoicePlease save your changes before editing any questions.
How many students took the test?
7
45
125
135
- Multiple ChoicePlease save your changes before editing any questions.
What is the modal mark?
4
5
6
45
- Multiple ChoicePlease save your changes before editing any questions.
If the pass mark was 3, how many students passed the test?
18
25
60
85
- Multiple ChoicePlease save your changes before editing any questions.
How many boys prefer tennis?
36
48
60
72
- Multiple ChoicePlease save your changes before editing any questions.
How many boys prefer cricket?
36
48
60
72