给出一份原始数据表，6西格玛黑带应能作出一份数据频次表，并且能使用这频次表构建一份直方图。
Given a table of raw data, the Six Sigma Black Belt should be able to prepare a frequency tally sheet of the data, and to use the tally sheet data to construct a histogram.
给出一份原始数据表，6西格玛黑带应能作出一份数据频次表，并且能使用这频次表构建一份直方图。
Given a table of raw data, the Six Sigma Black Belt should be able to prepare a frequency tally sheet of the data, and to use the tally sheet data to construct a histogram.
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