The sample correlation coefficient is equal to the covariance of x and y divided by the square root of the product of sx2 times sy2.  True  False

Pearson's r is the technical term for the correlation coefficient most often used in psychological research. O True O False

A set of n = 15 pairs of scores (X and Y values) has SSX = 4, SSY = 25, and SP = 6. What is the Pearson correlation for these data? Question 10 options: 6/100 6/10 6/(100/15) 6/(10/√15)

Which of the following is not a property of the product moment correlation coefficient?     it is independent of sample size and units of measurement.     it is a measure of association between two variables.     it always lies between 1 and -1.     it implies a causal relationship between two variables.

If X has a mean μ and variance σ and Y = aX+b where a and b are constants: Find the mean, variance, and correlation coefficient between X and Y.