Use the Data Below and the Regression Model

question 4

Multiple Choice

Use the data below and the regression model. What is the sales forecast if Gamma is expected to be 21? (Round your forecast to the nearest number of whole units.)

• A)42
• B)36
• C)48
• D)39

---

Definitions:

Rotating Flagella

Hair-like structures that protrude from the cell body of certain bacterial cells, rotating like propellers to enable movement.

Cilia

Microscopic, hair-like structures that extend from the surface of many animal cells, involved in movement and sensory functions.

Pili

Hairlike structures on the surface of many bacteria; function in conjugation or attachment. A sex pilus forms a cytoplasmic bridge with another bacterium and transfers DNA via this bridge.

Streptococci

Streptococci are a genus of gram-positive bacteria, responsible for many diseases in humans and animals, often appearing as chains of cells.