Which correlation coefficient indicates the stronger linear relationship between random variables for a fixed sample size? a. r= 0.8b. r= 0.5c. r= -0.2d. r= -0.9

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

This is about circle theorems. someone asap : (