A Regression and Correlation Analysis Resulted in the Following Information

question 63

Multiple Choice

A regression and correlation analysis resulted in the following information regarding a dependent variable (y) and an independent variable (x) . ​ The least squares estimate of the slope or b₁ equals

• A) .923.
• B) 1.991.
• C) -1.991.
• D) -.923.

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Definitions:

Histamine

A biogenic amine involved in local immune responses, regulating physiological function in the gut and acting as a neurotransmitter.

Leukotrienes

Lipid compounds derived from arachidonic acid that mediate inflammation, allergic reactions, and other immune responses.

Basophils

A type of white blood cell involved in the immune response, particularly in producing inflammatory reactions and fighting parasitic infections.

Mast Cells

Immune cells found in connective tissue that release histamine and other substances during inflammatory and allergic reactions.