© 2004  Rasmus ehf

Statistics Quiz 3

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Instructions

You might find it helpful to print out the quiz and give yourself time to think about the questions. Read each question carefully and choose the answer that you think is most likely to be correct. You can only choose one answer for each question. When you are ready, mark your answers in the spaces on the computer screen and click on the button 'Send answers'. Good luck!

This graph shows the scores of 8th grade students on a Maths test. 
Use it  to answer questions 1 - 6.

      

1.     How many students took the test?

Mark your answer here Possible answers:
A   24
B   25
C   26

 

      

2.     What was the mean (average) score?

Mark your answer here Possible answers:
A   6.5
B   6.7
C   6.8

3.     What is the median?

Mark your answer here Possible answers:
A   5
B   6
C   7

4.     What is the mode?

Mark your answer here Possible answers:
A   8
B   6  
C   7
      

 

5.      What percentage (frequency ratio) of the students received a score of 8? 

Mark your answer here Possible answers:
A   22.5%
B   28%
C   31%

6.   What percentage of the students received a score lower than 5? 

Mark your answer here Possible answers:
A   12%
B   13%
C   14% 

 

The graph below shows the frequency ratios (percentages) of scores in a class of 25 students. 

Use this graph to answer questions 7 - 10.

7.    How many students received a mark of 6? 

Mark your answer here Possible answers:
A   20
B   5
C   6

 

8.    What is the mode ?

Mark your answer here Possible answers:
A   6
B   6.5
C   7
The graph below shows the frequency ratios (percentages) of marks in a class of 25 students.   

9.    What is the median?

Mark your answer here Possible answers:
A   7
B   8
C   9

 

10.   How many students scored 10?

Mark your answer here Possible answers:
A   1
B   2 
C   3 

 

 

Percentage answered correctly =

Correct answers: Your answers: