UPSC NDA I 2012 Mathematics Paper
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Question : 114 of 120
Marks:
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Consider the following statements:
1. Two independent variables are always uncorrelated.
2. The coefficient of correlation between two variablesX and Y is positive when X decreases then Y decreases.
Which of the above statements is/are correct?
1. Two independent variables are always uncorrelated.
2. The coefficient of correlation between two variables
Which of the above statements is/are correct?
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