The sample correlation coefficient r equals -1 if and only if all $\left( x _ { i } , y _ { i } \right)$ pairs lie on a straight line with __________ slope.

Name: The sample correlation coefficient r equals -1 if and only if all $\left( x _ { i } , y _ { i } \right)$ pairs lie on a straight line with __________ slope.
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The Answer of The sample correlation coefficient r equals -1 if and only if all $\left( x _ { i } , y _ { i } \right)$ pairs lie on a straight line with __________ slope.

The Sample Correlation Coefficient R Equals -1 If and Only (xi,yi)\left( x _ { i } , y _ { i } \right)(xi​,yi​)

The Sample Correlation Coefficient R Equals -1 If and Only $\left( x _ { i } , y _ { i } \right)$