Mathematics, 14.07.2020 23:01 AyeSmoky
Mineral deposits in diamond mines are measured in percentages. Scientists study these deposits by drilling two identical holes simultaneously at different locations. An important question in this study is whether there is a difference in the true means of deposits in the two holes. A sample of data from 15 pairs of holes are collected and presented below. Use an appropriate hypothesis test with 90% reliability to determine whether there is a difference in mean mineral deposits in the two holes.
Location 1st Hole 2nd hole
1 5.5 5.7
2 11.0 11.2
3 5.9 6.0
4 8.2 5.6
5 10.0 9.3
6 7.9 7.0
7 10.1 8.4
8. 7.4 9.0
9 7.0 6.0
10 9.2 8.1
11 8.3 10.0
12 8.3 8.6
13 10.5 10.4
14 5.5 7.0
15 10.0 11.2
Answers: 2
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