Comparing scales: In an experiment to determine whether there is a systematic difference between the weights obtained with two different scales,
rock specimens were weighed, in grams, on each scale. The following data were obtained:
SpecimenWeight on Scale 1Weight on Scale 2
Let
represent the mean weight on Scale 1 and
.
Can you conclude that the the mean weight on Scale 1 is greater than the mean weight on Scale 2? Use the
level of significance and the TI-84 Plus calculator to answer the following.
Part: 0 / 4
0 of 4 Parts Complete
Part 1 of 4
(a) State the null and alternate hypotheses.
This hypothesis test is a
test.
Try again