If R for Variables X and Y = Zero, Then

question 33

Multiple Choice

If r for variables X and Y = zero, then the.

• A)best prediction of Y is the mean of Y
• B)regression equation will predict Y exactly
• C)mean of X will be higher than the mean of Y
• D)Y-intercept is equal to 1.0

---

Definitions:

Active Transport

The movement of molecules across a cell membrane from a region of lower concentration to one of higher concentration, requiring energy.

Muscle Hypertrophy

The increase in muscle size and mass due to exercise, particularly strength training.

Fibrosis

A pathological process characterized by the accumulation of excess fibrous connective tissue in an organ or tissue.

Refractory Period

The period immediately following the transmission of an impulse in nerve or muscle cells during which a second impulse cannot be generated.