It Is Difficult to Know the Exact Number of Homeless

question 2

Multiple Choice

It is difficult to know the exact number of homeless persons in any community. Some of the reasons include which of the following? Select all that apply.

• A) Homeless people refuse to provide demographical information.
• B) Many homeless people refuse to be interviewed or hide the fact that they are homeless.
• C) It is difficult to generalize from one location to another.
• D) Some persons experience short intervals of homelessness.

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Definitions:

Before and After Treatment

A research design comparing outcomes before and after a treatment or intervention to assess its effectiveness.

Null Hypothesis

A statement or hypothesis that asserts there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

µ

The population mean, representing the average value of a given population.

α

Denotes the level of significance in hypothesis testing, representing the probability of rejecting the null hypothesis when it is true.