Multiple Choice
A pharmaceutical company is considering the purchase of new bottling machines to increase its efficiency.The factory currently uses machines that fill cough syrup bottles whose volume of medicine has a standard deviation of 1.6 mL.The new machine the company is considering was tested on 30 bottles, producing a batch with a standard deviation of 1.25 mL.Does this machine produce a variance of less than 1.6 at the 0.05 significance level? State the TS and test decision.
A) TS = 17.700; reject H₀
B) TS = 22.6563; reject H₀
C) TS = 23.4375; reject H₀
D) TS = 18.3105; reject H₀
Correct Answer:

Verified
Correct Answer:
Verified
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