A doctor wanted to determine whether there was a relation between a male's age and his HDL (so-called good) cholesterol. He randomly selected 17 of his patients and determined their HDL cholesterol....

Extracted text: A doctor wanted to determine whether there was a relation between a male's age and his HDL (so-called good) cholesterol. He randomly selected 17 of his patients and determined their HDL cholesterol. He obtained the following data. Age HDL Cholesterol Age HDL Cholesterol 38 57 38 44 42 54 66 62 46 34 30 53 32 56 51 36 55 35 27 45 52 40 52 38 61 42 49 55 61 38 39 28 26 47 (b) Comment on the type of relation that appears to exist between age and HDL cholesterol on the basis of the scatter diagram.