The Value of the Correlation Coefficient Is Always

question 64

Multiple Choice

The value of the correlation coefficient is always:

• A)in the range 0 to 1
• B)less than zero
• C)in the range -1 to 1
• D)greater than zero

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Definitions:

Pulmonary TB

Tuberculosis that affects the lungs, characterized by symptoms such as a persistent cough, weight loss, and fever, requiring long-term antibiotic treatment.

Herpes Simplex

A viral infection characterized by painful blisters, typically manifesting around the mouth (HSV-1) or genital area (HSV-2).

Measles

A highly contagious viral disease marked by symptoms such as fever, cough, and a distinctive red rash, preventable by vaccination.

Chain of Infection

A process that describes how an infectious disease is transmitted from one host to another, involving steps such as a reservoir, mode of transmission, and entry to a susceptible host.