Q1:

Questions 1 to 4 refer to the following set of data: 2, 7, 7, 8, 9, 12, 15, 20
What is the mode?

A. 8.5 B. 7 C. 10 D. 18 
Answer 1:


Q2:

What is the mean? 
A. 8.5 B. 7 C. 10 D. 18 
Answer 2:


Q3:

What is the median? 
A 8.5 B. 7 C. 10 D. 18 
Answer 3:


Q4:

What is the range? 
A.^{ }8.5 B. 7 C. 10 D. 18 
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:

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 modescore? 
A.^{ }71 B. 72 C. 73 D. 74 
Answer 10:

