It is thought that a new process for producing a certain chemical may be cheaper than the
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Can you conclude that the mean cost of the new method is less than that of the old method?
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New Process: 51 52 55 53 54 53 Old Process: 50 54 59 56 50 58
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X 530 s X 141421 n X 6 Y 545 s Y 388587 n Y 6 The numbe...View the full answer
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