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Economics True/False

Correlation · CBSE STD 11 Commerce (CBSE - English Medium). 5 questions.

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5 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark
Negative correlation is a nature of correlation of two variables when they move in the same direction. (True/ False)
Answer
False.
Explanation:
Positive correlation is a nature of correlation of two variables when they move in the same direction.
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Question 21 Mark
One is the maximum value of rank correlation coefficient. (True/ False)
Answer
True.
Explanation:
+1 is the maximum value of rank correlation coefficient.
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Question 31 Mark
Negative correlation moves in opposite direction. (True/ False)
Answer
True.
Explanation:
When one increases, the other decreases and vice versa.
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Question 41 Mark
Scatter diagram indicates the exact numerical value of correlation. (True/ False)
Answer
False.Explanation:
It does not indicate the exact numerical value of correlation.
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Question 51 Mark
The range of simple correlation coefficient is minus one to plus one. (True/ False)
Answer
True.
Explanation:
The value of correlation coefficient lies between minus one and plus one. If the value of r is outside this range, it indicates error in calculation.
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True/False - Economics STD 11 Commerce Questions - Vidyadip