Question: Samples are drawn from two processes that are supposed to be making parts of the same size. The samples yield the following statistics: n1 =

  1. Samples are drawn from two processes that are supposed to be making parts of the same size. The samples yield the following statistics:

n1 = 8 1 = 220 s^2 = 190

n2 = 13 2 = 195 s^2 = 420

  • Are the means of the two processes the same or is there evidence that they are different (=0.01)?

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