Chemistry, 17.04.2020 23:19 moneybaggtjuan
The yield of a chemical process is being studied. From previous experience with this process the standard deviation of yield is known to be 2.9. The past 5 days of plant operation have resulted in the following yields (given in percentages):
1.91.6,
2.88.75,
3.90.8,
4..91.3.
Use α=0.05.
Answers: 1
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