If the Coefficient of Correlation R = -

question 31

True/False

If the coefficient of correlation r = -.81,the standard deviations of x and y are 20 and 25,respectively,then cov(x,y)must be -405.0.

---

Definitions:

Esophagus

A muscular tube that conveys food from the mouth to the stomach.

Mouth

The opening in the body of most animals through which food is taken in, beginning the process of digestion.

Gallbladder

A small organ located under the liver, which stores and concentrates bile, a digestive fluid produced by the liver.

Protein Digestion

The breakdown of protein molecules into their constituent amino acids by enzymes, starting in the stomach and continuing in the small intestine.