## Measures of Central Tendency Test

Unit Test #44

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:

40, 24, 14, 36, 18, 34, 40, 43

What is the mode?

A. 34
B. 35
C. 35.5
D. 40

Q2:
What is the mean?

A. 34
B. 35
C. 31.1
D. 40

Q3:
What is the median? A. 34
B. 35
C. 35.5
D. 40

Q4:
Which of the following would give the best indication of the most common number in a set of values?

A. Median

B. Mean

C. Mode

Q5:
The number of people in each class at a school are recorded.
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. 8
B. 5
C. 11
D. 18

Q8:

 20 21 23 24 22 21 24 23 22 24 23 23 23 21 24 24 24 21 24 25

Frank's best twenty 200 metre running times in seconds are given in the table above.
The median is:
A. 22.8
B. 23
C. 23.5
D. 24

Q9:
In the table given above, the mean is A. 22.8
B. 23
C. 23.5
D. 24

Q10:

In the table above what is the mode score?
A. 22.8
B. 23
C. 23.5
D. 24