In Order to Estimate the Average Electric Usage Per Month

question 61

Multiple Choice

In order to estimate the average electric usage per month, a sample of 64 houses was selected and the electric usage was determined. Assume a population standard deviation of 320 kilowatt-hours. The standard error of the mean is

• A) 320.
• B) 64.
• C) 400.
• D) 40.

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Definitions:

Bystander Effect

A social psychological phenomenon wherein individuals are less likely to offer help to a victim when other people are present.

Selective Perception

Selective perception is the process by which individuals perceive what they want to in media messages while ignoring opposing viewpoints, based on their background, beliefs, and attitudes.

Response Characteristic

Features or aspects of an individual's reactions or responses to stimuli or situations, often studied in psychological assessments.

Distinctiveness

The quality of being distinguishable or markedly different from others, often leading to a sense of individuality.