Test Hypotheses About a Population Proportion
-Fifty-Five Percent of Registered $\alpha$

question 126

Short Answer

Test Hypotheses about a Population Proportion
-Fifty-five percent of registered voters in a congressional district are registered Democrats. The Republican candidate takes a poll to assess his chances in a two-candidate race. He polls 1200 potential voters and finds that 621 plan to vote for the Democratic candidate. Does the Republican candidate have a chance to win? Use $\alpha$ $= 0.05$ .

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Definitions:

Dynamic Traits

Refer to characteristics of an individual’s personality that are adaptive and can change in response to different situations or over time.

Assessment Technique

A method or procedure used to evaluate or measure an individual's ability, skill, competence, or characteristic.

T-data

This term is a shortened form for "test data," referring to information collected from psychological tests that aim to measure individual traits, abilities, or attitudes.

Factor-analytic Research

A statistical method used to describe variability among observed variables in terms of a potentially lower number of unobserved variables called factors.