Question: 15. The yield on a new chemical process for five days is 61, 63, 58, 57, and 60 and the old process had recent yields

15. The yield on a new chemical process for five days is 61, 63, 58, 57, and 60 and the old process had recent yields of 54, 56, 52, 56, 53, 51, 54, 53, and 52. Is the new process better? If so, how much better?

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