1. Referring to Table 17.1, test the hypothesis Ho that there is no difference between machines I and II against the alternative hypothesis H1 that there is a difference at the 0.05 significance level.
Day
1
2
3
4
5
6
7
8
9
10
11
12
Machine I
47
56
54
49
36
48
51
38
61
52
Machine II
71
63
45
64
50
55
42
46
53
57
75
60
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