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
Answer 1:

 

Q2:

 

What is the mean? A. 17
B. 14
C. 20
D. 36
Answer 2:

 

Q3:

 

What is the median? A. 17
B. 14
C. 20
D. 36
Answer 3:

 

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

Answer 4:

 

Q5:

 

The heights of 100 people are measured.
What type of data is this?
A. continuous 
B. discrete
Answer 5:

 

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
Answer 6:

 

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
Answer 7:

 

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
Answer 8:

 

Q9:

 

In the table given above, the mean is A. 72
B. 72.65 
C. 73
D. 74
Answer 9:

 

Q10:

 

 
In the table above what is the mode score?
A. 71
B. 72
C. 73
D. 74
Answer 10: