Hi guys i need help badly. We were given this to solve in my first RA class and i have no idea how to begin. Please this is the first time i'm encountering regression analysis and I'm absolutely lost.

Question 1: How can you determine the reliability of multiple correlation coefficients?

Question 2: For any two random variables x and y, show that the correlation coefficient p(x,y)<= 1

Anyone with a possible idea of how to begin please help. I'd appreciate it greatly.

Question 1: How can you determine the reliability of multiple correlation coefficients?

Question 2: For any two random variables x and y, show that the correlation coefficient p(x,y)<= 1

Anyone with a possible idea of how to begin please help. I'd appreciate it greatly.

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