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
Correct Answer:
Verified
Correct Answer:
Verified
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