Question

When correlation coefficient between two variable x and y is -1. State how are the ranks of x and y. *

Equal

Increasing order

Decreasing order


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Answer 1

Put the equation in the form of: ˆy=a+bx; Find the correlation coefficient. Is it significant? Pick two years between 1969

Answer 2

Answer:

• When correlation coefficient between two variable x and y is -1. State the ranks of x and y.