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

question 52

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.The EPA wants to test to determine if Acorn's air is dirtier than the stipulated clean air standards.Assume the population of PSI readings is highly nonnormal and state the null hypothesis.

• A)H₀: M_d ≥ 100
• B)H₀: M_d ≤ 100
• C)H₀: M_d ≠ 100
• D)H₀: M_d > 100

---

Definitions:

Unjustified Claims

Assertions or allegations made without sufficient evidence or basis in fact.

Relevant Information

Data or facts that are directly related to the matter at hand or subject being discussed or analyzed.

Tort

A wrongful act or infringement of a right leading to civil legal liability, distinct from contractual obligations.

Invasion Of Privacy

An infringement on a person's right to keep their personal matters and relationships confidential and free from public scrutiny.