Question: A firm is currently testing two different procedures for adjusting the cutting machines used in the production of greeting cards. The results of two samples

A firm is currently testing two different procedures for adjusting the cutting machines used in the production of greeting cards. The results of two samples show the following recorded adjustment times (in seconds).

Is there sufficient reason to conclude that method 2 requires less time, on average, than method 1 at the 0.05 level of significance?

Method 1 17 15 14 18 16 15 17 18 15 14 14 16 15 Method 2 14 14 13 13 15 12 16 14 16 13 14 13 12 15 17 13

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