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Jan 19, 2015 at 10:35 vote accept Kate Sinclair
Jan 19, 2015 at 10:19 comment added Kate Sinclair No its fine thank you so much, it's an exam question and my exam is in two days.
Jan 19, 2015 at 1:37 comment added Glen_b Please review the guidelines for answering self-study questions, which calls for hints and guidance; otherwise we end up just doing people's homework for them, which robs them of the benefit of the exercise.
Jan 19, 2015 at 1:27 history answered SixSigma CC BY-SA 3.0