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Range Charts
The StatPlus>QC Charts>Range Chart command creates a Range chart of
quality-control data. The subgroups can be arranged in rows across separate
columns or within a single column of data values alongside a column of
subgroup levels. The user can use a known value of s or create the Range
chart with an unknown s value. The Range chart can be sent to an embed-
ded chart on a worksheet or to its own chart sheet.