Multiple Choice
A potato chip manufacturer has found that in the past the standard deviation of bag weight has been 0.2 ounce.They want to test whether the standard deviation has changed.The null hypothesis is:
A) H0 : σ2 = 0.2
B) H0 : σ = 0.2
C) H0 : σ = 0.04
D) H0 : σ2 = 0.04
Correct Answer:
Verified
Correct Answer:
Verified
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