For a Study Using a T Test for Independent Means

question 43

Multiple Choice

For a study using a t test for independent means, the approximate number of participants needed for 80% power for an estimated large effect size and using a two-tailed test is:

• A)26
• B)50
• C)64
• D)310

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Definitions:

Noise Pollution

Unwanted or harmful outdoor sound that is produced by industrial or human activities, affecting the health and well-being of humans and wildlife.

Urban Dwellers

Individuals who live in densely populated areas known as cities or towns, often experiencing a lifestyle that contrasts with rural living.

Zoning

The process of dividing land in a municipality into zones in which certain land uses are permitted or prohibited.

Land Use

The way in which and the purposes for which land is managed and used, including agricultural, residential, industrial, and recreational purposes.