Transcription errors data

A manager for a transcription company wants to assess the quality of the transcription service. The manager randomly selects 25 sets of pages from consecutive orders and counts the number of typographical errors (defects). Each set has a different number of pages.

You can use this data to demonstrate U Chart.

Worksheet column Description
Number of Pages The number of pages in each set. This column contains the subgroup sizes.
Errors The number of typographical errors (defects).
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