Mathematics, 20.03.2020 20:59, Reijected
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
12.51
2
15.08
14.99
3
9.00
9.10
4
11.55
11.47
5
24.36
24.35
6
9.88
10.00
7
15.36
15.55
8
7.05
7.04
9
13.39
13.57
Let μ1 represent the mean weight on Scale 1 and ud= μ1-μ2
Can you conclude that the mean weight on Scale 1 is less than the mean weight on Scale 2?
Use the a=0.10 level of significance.
Answers: 3
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