The net weights (in grams) of a sample of bottles ﬁlled by a machine manufactured by Edne, and the
Net weights of a sample ﬁlled by a similar machine manufactured by Orno, Inc., are:
Testing the claim at the 0.05 level that the mean weight of the bottles ﬁlled by the Orno machine is
Greater than the mean weight of the bottles ﬁlled by the Edne machine, what is the critical value of
T? Assume equal standard deviations for both samples.
A) +2.179
B) +2.145
C) +1.782
D) +1.761

Question

The net weights (in grams) of a sample of bottles ﬁlled by a machine manufactured by Edne, and the
Net weights of a sample ﬁlled by a similar machine manufactured by Orno, Inc., are: 
Testing the claim at the 0.05 level that the mean weight of the bottles ﬁlled by the Orno machine is
Greater than the mean weight of the bottles ﬁlled by the Edne machine, what is the critical value of
T? Assume equal standard deviations for both samples.
A) +2.179 
B) +2.145 
C) +1.782 
D) +1.761

Quizplus · Accepted Answer

+1.782

The Net Weights (In Grams) of a Sample of Bottles