Comparing scales: In an experiment to determine whether there is a systematic difference between the weights obtained with two different scales, 10 rock specimens were weighed, in grams, on each scale. The following data were obtained: Specimen Weight on Scale 1 Weight on Scale 2 1 12.35 12.96 2 15.94 16.43 3 9.33 9.60 4 11.76 11.99 5 26.46 27.16 10.52 10.27 7 15.22 14.87 7.38 7.11 9 13.89 14.32 10 21.51 20.90 Send data to Excel Let u, represent the mean weight on Scale 1 and ua = H1-H2- Can you conclude that the the mean weight on Scale 1 is less than the mean weight on Scale 2? Use the a = 0.10 level of significance. 6.

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Comparing scales: In an experiment to determine whether there is a systematic difference between the weights obtained with
two different scales, 10 rock specimens were weighed, in grams, on each scale. The following data were obtained:
Specimen Weight on Scale 1 Weight on Scale 2
1
12.35
12.96
2
15.94
16.43
3
9.33
9.60
4
11.76
11.99
5
26.46
27.16
10.52
10.27
7
15.22
14.87
7.38
7.11
9
13.89
14.32
10
21.51
20.90
Send data
to Excel
Let u, represent the mean weight on Scale 1 and ua = H1-H2-
Can you conclude that the the mean weight on Scale 1 is less than the mean weight on Scale 2? Use the a = 0.10 level of
significance.
6.
Transcribed Image Text:Comparing scales: In an experiment to determine whether there is a systematic difference between the weights obtained with two different scales, 10 rock specimens were weighed, in grams, on each scale. The following data were obtained: Specimen Weight on Scale 1 Weight on Scale 2 1 12.35 12.96 2 15.94 16.43 3 9.33 9.60 4 11.76 11.99 5 26.46 27.16 10.52 10.27 7 15.22 14.87 7.38 7.11 9 13.89 14.32 10 21.51 20.90 Send data to Excel Let u, represent the mean weight on Scale 1 and ua = H1-H2- Can you conclude that the the mean weight on Scale 1 is less than the mean weight on Scale 2? Use the a = 0.10 level of significance. 6.
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