THE Next Questions Are Based on the Following Information

question 39

Multiple Choice

THE Next Questions Are Based On The Following Information:
A large milling machine produces steel rods to certain specifications.The machine is considered to be running normally if the standard deviation of the diameter of the rods is at most 0.15 millimeters.The line supervisor needs to test the machine is for normal functionality.The quality inspector takes a sample of 25 rods and finds that the sample standard deviation is 0.19.
-Which of the following statements is the most accurate?

• A)Reject null hypothesis at α = 0.025
• B)Fail to reject null hypothesis at α ≤ 0.10
• C)Reject null hypothesis at α = 0.05
• D)Reject null hypothesis at α = 0.01

---

Definitions:

Dimethylheptanoic Acid

denotes a hypothetical organic compound, potentially misnamed, suggesting a heptanoic acid derivative substituted with two methyl groups.

γ-hydroxypentanoic Acid

An organic compound characterized by a five-carbon chain with a hydroxyl group attached to the third carbon and a carboxylic acid group at the end.

γ-hydroxy-γ-methylbutyric Acid

An organic compound, structurally related to β-hydroxy-β-methylbutyrate (HMB), and is involved in the biosynthesis and metabolism of fatty acids.

δ-hydroxyvaleric Acid

An organic compound that is structurally a hydroxylated form of valeric (pentanoic) acid, where the hydroxyl group is on the δ-carbon.