Calculate the Coefficient of Determination, Given That the Linear Correlation

question 38

Essay

Calculate the coefficient of determination, given that the linear correlation coefficient, r, is -0.625. What does
this tell you about the explained variation and the unexplained variation of the data about the regression line?

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Definitions:

Alpha Interferon

A type of protein produced by the body's immune system, used in the treatment of various infections and diseases, including some types of cancer.

Lymphotoxin

A cytokine produced by certain lymphocytes that can induce cell death and has a role in immune response.

Cytokines

Small proteins released by cells, particularly immune cells, that have a specific effect on the interactions and communications between cells.

Interleukin 4

A cytokine that plays a significant role in immune system regulation, promoting the development of T helper 2 cells.