Unit Test #46

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:

 

Which of the following, gives an indication of the spread of a set of values? A. mean
B. mode
C. range
D. median
Answer 1:

 

Q2:

 

What is the range of 8, 6, 4, 7, 9 and 6? A. 5
B. 6
C. 6.67
D. 40
Answer 2:

 

Q3:

 

What is the upper quartile of: 1, 3, 7, 9, 10, 13, 15? A. 3
B. 7
C. 10.75
D. 13
Answer 3:

 

Q4:

 

What is the lower quartile of the numbers:

3, 6, 4, 3, 9, 8, 15?

A. 3
B. 3.5
C. 4
D. 9
Answer 4:

 

Q5:

 

Which is true for a set of numbers?

The range is:

A. the highest value
B. the difference between the median and the mean.
C. the difference between the lowest value and the highest value.
D. the difference between the upper and lower quartiles.

A. A
B. B
C. C
D. D
Answer 5:

 

Q6:

 

  

Which score is the median of the 20 golf scores?

 
A. 71 
B. 72
C. 73
D. 74
Answer 6:

 

Q7:

 

Which of the following would give an indication of the average of a set of scores? A. range
B. interquartile range
C. median
D. standard deviation
Answer 7:

 

Q8:

 

For the data: 4, 5, 7, 7, 8, 10, 11, 20

What is the median?

A. 7
B. 7.5
C. 8
D. 9
Answer 8:

 

Q9:

 

What is the lower quartile in question 8? A. 5
B. 6
C. 6.5
D. 7
Answer 9:

 

Q10:

 

What is the interquartile range in question 8? A. 4.5
B. 16
C. 3
D. 6
Answer 10: