6.3 Bread
First of all, make a histogram of all data. For this, we have to pile all data in a single column.
Data > Stack > Columns
Graph > Histogram: Simple
Graph variables: Total. The aspect of the graph has been changed adding two lines that show the tolerance limits. This has been done using the toolbar: Tools > Toolbars > Graph Annotation Tools
The distribution is left-skewed, with a certain percentage out of tolerances. Let us have a closer look stratifying by machine.
Put the values of Machine 1 in one column (Data > Stack > Columns for ...
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