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Home  arrow Chapter-specific resources  arrow Chapter 7: Correlation coefficients: Pearson correlation and Spearman's rho  arrow Multiple choice questions

Multiple choice questions

 
Try the multiple choice questions below to test your knowledge of this chapter. Once you have completed the test, click on 'Submit Answers for Grading' to get your results.

This activity contains 16 questions.

Question 1.
A correlation coefficient:

 
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Question 2.
The correlation coefficient:

 
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Question 3.
A correlation of -0.5 would indicate a scatterplot in which the slope is:

 
End of Question 3


Question 4.
A correlation of -0.5 would indicate a scatterplot where:

 
End of Question 4


Question 5.

The following information concerning five individuals is needed to answer Questions 5 to 7. The data consist of scores on three different scales of religious attitudes.

The Wilkie-Brown Scale The St. Peter Scale The Soper Scale
3 5 4
2 6 6
1 5 8
5 2 2
7 8 1

The Wilkie-Brown and the Soper Scales are likely to:

 
End of Question 5


Question 6.
For the correlation between the Wilkie-Brown and the Soper Scales, N =

 
End of Question 6


Question 7.
The correlation between the Wilkie-Brown and the Soper Scales =

 
End of Question 7


Question 8.
The coefficient of determination:

 
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Question 9.
How much more variation is shared by two variables if the Pearson correlation coefficient between them is 0.4 than if it is -0.2?

 
End of Question 9


Question 10.
Rank the score of 8 in the following set:
2; 7; 1; 8; 4; 2; 7; 10; 20:

 
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Question 11.
Rank the score of 4 in the following set:

1, 4, 3, 4, 5, 6, 9

 
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Question 12.
For the data in the table above, what is SD2 for Spearman's rank correlation coefficient between Wilkie-Brown and Soper scores?

 
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Question 13.
What is (N2 - 1) for the above correlation?

 
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Question 14.
What is the Spearman rank correlation coefficient between the Wilkie-Brown and the Soper Scales?

 
End of Question 14


Question 15.
If there are tied scores for either variable, the formula for the Spearman's rank correlation coefficient:

 
End of Question 15


Question 16.
It is possible to use the correlation coefficient to prove causality when:

 
End of Question 16





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