## Averages Test

Unit Test #45

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

Q1:

Questions 1 to 3 refer to the following set of data:
4, 14, 14, 16, 18, 24, 30, 40

What is the mode?
A. 17
B. 14
C. 20
D. 36

Q2:

What is the mean? A. 17
B. 14
C. 20
D. 36

Q3:

What is the median? A. 17
B. 14
C. 20
D. 36

Q4:

Which of the following would give the best indication of the most common number in a set of values?

A. Median

B. Mode

C. Mean

Q5:

The heights of 100 people are measured.
What type of data is this?
A. continuous
B. discrete

Q6:

In one sample of 100 pods of peas, the mean was 6 peas per pod.
In another sample of 50 pods, the mean was 8 peas per pod.
The combined mean for the two samples taken together was
A. exactly 6 peas
per pod
B.between 6 and
7 peas per pod
C. exactly 7 peas
per pod
D. between 7 and 8
peas per pod

Q7:

A group of students sat a test.
Their mean score was 11.
Another student who scored 29 joins the group.
The mean is now 13.
The number of students in the original group was
A. 5
B. 8
C. 11
D. 18

Q8:

 70 71 71 71 72 72 72 72 72 73 73 73 73 74 74 74 74 74 74 74

David's best 20 golf scores are given in the table above.
The median is
A. 72
B. 72.65
C. 73
D. 74

Q9:

In the table given above, the mean is A. 72
B. 72.65
C. 73
D. 74

Q10:

In the table above what is the mode score?
A. 71
B. 72
C. 73
D. 74