What does R-squared (R²) represent in simple regression?

Your regression equation for “hours studied” predicting the outcome, “test score,” is: Y = 50 + 3x. For a student who has studied for 4 hours, what is his/her predicted test score?  

What is the brand name for dutasteride?

What is the brand name for dicyclomine?

What is the generic name for Requip?

What is the generic name for Temovate?

What is the generic name for Zyprexa?

What is the brand name for benztropine?

What is the generic name for Pepcid?

What does the term “state sovereignty” mean in the context of the Missouri Compromise?