Exhibit 12-3
You Are Given the Following Information About Y

question 29

Multiple Choice

Exhibit 12-3
You are given the following information about y and x.
$\begin{array}{cc}\text { Dependent Variable Y) }&\text { Independent Variable } \mathbf{X} \text { ) }\\12 & 4 \\3 & 6 \\7 & 2 \\6 & 4\end{array}$
-Refer to Exhibit 12-3. The sample correlation coefficient equals

• A) -0.4364
• B) 0.4364
• C) -0.1905
• D) 0.1905

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Definitions:

Antigens

Substances that the immune system recognizes as foreign, triggering an immune response.

Antigens

Antigens are substances, often foreign, that provoke an immune response in the body, especially the production of antibodies.

Monocytes

A type of white blood cell involved in the immune response, capable of differentiating into macrophages and dendritic cells to combat infection.

Phagocytosis

A cellular process where cells, usually immune cells, engulf and digest particles or pathogens to eliminate them.