30 multiple-choice questions on
correlation:%20(3).png "Multiple-choice questions on Correlation | Statistics Psychology BA SEM 2 Lucknow University")
%20(3).png "Multiple-choice questions on Correlation | Statistics Psychology BA SEM 2 Lucknow University")
1. What does correlation measure?
A) The strength
of a relationship between two variables
B) The direction
of a relationship between two variables
C) The causation
between two variables
D) The variability of a single variable
Answer: A) The
strength of a relationship between two variables
2. A correlation coefficient of +1 indicates:
A) A perfect
positive linear relationship
B) A perfect
negative linear relationship
C) No
relationship between variables
D) A weak linear
relationship
3. Which correlation coefficient represents a perfect
negative linear relationship?
A) -1
B) 0
C) +1
D) 0.5
4. In Pearson's correlation coefficient, what does a
value of 0 indicate?
A) A perfect
positive linear relationship
B) No
relationship between variables
C) A perfect
negative linear relationship
D) A weak linear
relationship
5. What is the range of Pearson's correlation
coefficient?
A) -1 to +1
B) 0 to 1
C) -∞ to +∞
D) 1 to 10
6. Which correlation coefficient represents a perfect
positive linear relationship?
A) -1
B) 0
C) +1
D) 0.5
7. What does a correlation coefficient of 0.75 indicate?
A) A strong
positive linear relationship
B) A weak
positive linear relationship
C) A weak
negative linear relationship
D) No
relationship between variables
8. If the correlation coefficient is negative, what does
it indicate?
A) A negative
linear relationship between variables
B) A positive
linear relationship between variables
C) No
relationship between variables
D) Non-linear
relationship between variables
9. Which of the following indicates the weakest
correlation?
A) -0.85
B) 0.25
C) -0.15
D) 0.70
10. What does a correlation coefficient of -0.9 indicate?
A) A strong
negative linear relationship
B) A weak
negative linear relationship
C) A strong
positive linear relationship
D) No
relationship between variables
11. What does it mean if the correlation coefficient is
close to 0?
A) There is a
strong relationship between variables
B) There is a
weak relationship between variables
C) There is no
relationship between variables
D) There is a
perfect relationship between variables
12. Which of the following is NOT a limitation of
Pearson's correlation coefficient?
A) It cannot
detect non-linear relationships
B) It assumes a
linear relationship between variables
C) It is
affected by outliers
D) It cannot
measure the strength of the relationship between variables
13. What does a correlation coefficient of 0.05 indicate?
A) A strong
positive linear relationship
B) A weak
positive linear relationship
C) No
relationship between variables
D) A strong
negative linear relationship
14. If the correlation coefficient is -0.6, what kind of
relationship exists between the variables?
A) Weak
negative linear relationship
B) Strong
negative linear relationship
C) Weak
positive linear relationship
D) Strong
positive linear relationship
15. What is the value of the correlation coefficient if
there is no relationship between variables?
A) 1
B) 0
C) -1
D) It depends
on the sample size
16. What does it mean if the correlation coefficient is
close to +1?
A) There is a
strong positive linear relationship between variables
B) There is a
strong negative linear relationship between variables
C) There is no
relationship between variables
D) There is a
perfect relationship between variables
17. Which of the following statements about correlation
is true?
A) Correlation
implies causation
B) Correlation
does not imply causation
C) Causation
implies correlation
D) Correlation
is always negative
18. What does it mean if the correlation coefficient is
negative and close to 0?
A) There is a
strong negative linear relationship
B) There is a
weak negative linear relationship
C) There is a
strong positive linear relationship
D) There is no relationship between variables
Answer: B)
There is a weak negative linear relationship
19. What does a correlation coefficient of -0.2 indicate?
A) A strong
negative linear relationship
B) A weak
positive linear relationship
C) A weak
negative linear relationship
D) A strong
positive linear relationship
20. If the correlation coefficient is 0.99, what kind of
relationship exists between the variables?
A) Weak
positive linear relationship
B) Strong
positive linear relationship
C) Weak
negative linear relationship
D) Strong
negative linear relationship
21. What does a correlation coefficient of 0.7 indicate?
A) A strong
negative linear relationship
B) A weak
positive linear relationship
C) A strong
positive linear relationship
D) No
relationship between variables
22. What does a correlation coefficient of 0.3 indicate?
A) A strong
positive linear relationship
B) A weak
positive linear relationship
C) No
relationship between variables
D) A strong
negative linear relationship
Answer: B) A weak positive linear relationship
23. If the correlation coefficient is 0.2, what kind of
relationship exists between the variables?
A) Weak
positive linear relationship
B) Strong
positive linear relationship
C) Weak
negative linear relationship
D) Strong
negative linear relationship
24. What does it mean if the correlation coefficient is
close to -1?
A) There is a
strong negative linear relationship between variables
B) There is a
strong positive linear relationship between variables
C) There is no
relationship between variables
D) There is a
perfect relationship between variables
25. Which of the following correlation coefficients
indicates the strongest relationship between variables?
A) -0.6
B) 0.3
C) -0.9
D) 0.5
26. In Pearson's correlation coefficient, what does a
value of +1 indicate?
A) A perfect
negative linear relationship
B) No
relationship between variables
C) A perfect
positive linear relationship
D) A weak
positive linear relationship
Answer: C) A perfect positive linear relationship
27. Which of the following correlation coefficients
indicates the weakest relationship between variables?
A) 0.7
B) -0.5
C) 0.1
D) -0.9
28. What does it mean if the correlation coefficient is
close to 1?
A) There is a
strong negative linear relationship between variables
B) There is a
strong positive linear relationship between variables
C) There is no
relationship between variables
D) There is a
perfect relationship between variables
29. What does a correlation coefficient of -0.8 indicate?
A) A strong
positive linear relationship
B) A weak
negative linear relationship
C) No
relationship between variables
D) A strong
negative linear relationship
30. What does it mean if the correlation coefficient is
close to 0.5?
A) There is a
strong positive linear relationship between variables
B) There is a
weak positive linear relationship between variables
C) There is no
relationship between variables
D) There is a
strong negative linear relationship between variables
Answer: B) There is a weak positive linear relationship between variables
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