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

question 25

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

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