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:

Endocrine Glands

Glands that secrete hormones directly into the bloodstream, influencing various bodily functions.

Fasting Blood Sugar

The level of glucose in the bloodstream after abstaining from eating or drinking anything other than water for at least 8 hours.

Correct Abbreviation

A term that refers to the appropriate or standardized short form of a word or phrase used to ensure clear and consistent communication.

T₃

Triiodothyronine, a thyroid hormone that plays vital roles in the body's metabolic rate, heart and digestive functions, muscle control, brain development, and the maintenance of bones.