If We Are Interested in Testing Whether the Proportion of Items

question 74

Multiple Choice

If we are interested in testing whether the proportion of items in population 1 is larger than the proportion of items in population 2, the

• A) null hypothesis should state P1 - P2 < 0
• B) null hypothesis should state P1 - P2 > 0
• C) alternative hypothesis should state P1 - P2 > 0
• D) alternative hypothesis should state P1 - P2 < 0

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Definitions:

Elements

Basic or essential components, substances, or constituents of a complex form.

Interest

The cost of using money over a period, expressed as a percentage rate.

Study

An organized investigation or analysis aimed at discovering new knowledge or understanding existing knowledge in a systematic way.

Observational Studies

Research methods in which subjects are observed in their natural setting without any manipulation by the researcher.