The EPA Has Stipulated That the Pollution Standard Index (PSI)

question 94

Multiple Choice

The EPA has stipulated that the Pollution Standard Index (PSI) for clean air standards is to average no more than 100. A random sample of 9 days for the city of Acme showed PSI readings of 144, 85, 90, 120, 150, 105, 93, 130, and 115.Assume the population of PSI readings is highly nonnormal. The EPA wants to determine if there is significant evidence to conclude that Acme air is dirtier than the stipulated clean air standards. The test is conducted at α = .05 and the p value is found to be .254. Based on this result, provide a one-sentence managerial conclusion.

• A) Acme air is dirtier than the EPA stipulated clean air standards.
• B) We cannot conclude that Acme air is dirtier than the EPA stipulated clean air standards.
• C) Acme air is better than the EPA stipulated clean air standards.
• D) Acme air meets the EPA stipulated clean air standards.

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Definitions:

Disaffirmance

The right to reject or void a contract or agreement, typically used in context with minors and certain agreements.

Prevailing View

The most widely accepted perspective or opinion on a particular issue within a relevant community or field.

Disaffirm

The legal right of a party to reject or annul a contract or agreement, often associated with contracts entered into by minors.

Power of Avoidance

The legal ability to nullify or cancel a contractual agreement or transaction under certain conditions.