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Answer the following.
If the correlation coefficient of two sets of variables is , which one of the following statements…
If the correlation coefficient of two sets of variables $(X, Y)$ is $-\frac{3}{4}$, which one of the following statements is true for the same set of variables?
- (a)Only one of the two regression lines has a negative coefficient.
- (b)Both regression coefficients are positive.
- (c)Both regression coefficients are negative.
- (d)One of the lines of regression is parallel to the x-axis.
Answer
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From ISC 2024 Mathematics Paper 1, question 19(ii).