The Next to the Last Step in the Development of an Infectious

question 30

Multiple Choice

The next to the last step in the development of an infectious disease is:

• A)damage to the body.
• B)escape from the source.
• C)infection.
• D)spread to a new person.

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Definitions:

Two-tail Test

A statistical test used to determine whether there is a significant difference between a sample and a population mean in either direction.

Sample Variances

A measure of the spread or dispersion of a set of sample data points.

Test Statistic

A value calculated from sample data during a hypothesis test used to determine whether to reject the null hypothesis.

F-distribution

The F-distribution is a probability distribution that arises in the analysis of variances for comparing the variances of two or more samples.