A Politician Has Commissioned a Survey of Blue-Collar and White-Collar

question 58

Essay

A politician has commissioned a survey of blue-collar and white-collar employees in her electorate. The survey reveals that 286 out of 542 blue-collar workers intend to vote for her in the next election, whereas 428 out of 955 white-collar workers intend to vote for her.
a. Can she infer at the 5% level of significance that the level of support differs between the two groups of workers?
b. What is the p-value of the test? Explain how to use it to test the hypotheses.

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Definitions:

Human Memory

The capacity of the human brain to store, retain, and retrieve information from past experiences or learning.

World Wide Web

An information system where documents and other web resources are identified by URLs, interlinked by hypertext links, and accessible via the internet.

Outer Space

Outer space is the vast expanse that exists beyond Earth and its atmosphere, characterized by a vacuum and the presence of celestial bodies like stars, planets, and asteroids.

Priming

A process in memory where exposure to one stimulus influences the response to another stimulus, often without conscious guidance or intention.