For Testing the Difference Between Two Population Proportions,the Pooled Proportion

question 130

Multiple Choice

For testing the difference between two population proportions,the pooled proportion estimate is found by taking:

• A)the proportion of successes from sample 1 plus the proportion of successes from sample 2.
• B)the total number of successes in both samples divided by the total of both sample sizes.
• C)the difference between the proportion of successes in each sample.
• D)None of these choices.

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Definitions:

Phonetics

The systematic identification and description of distinctive speech sounds in a language.

Morphemes

The smallest units of sound that carry a meaning in language. They are distinct from phonemes, which can alter meaning but have no meaning by themselves.

Syntax

The patterns or rules by which words are arranged into phrases and sentences.

Instinct

An innate, typically fixed pattern of behavior in animals in response to certain stimuli.