the question below can you do by WENDsday ( TOMMORROW) PLEASE PLEASE

 
What are some reasons that business outputs vary? For example why does production output vary? Explain the difference between common causes of variation and special causes of variation.

Evans_2013_Ch7_OCR.pd

fEvans_2013_Ch8_OCR.pdf

PLEASE JUST USE BOOK SHORT AND SWEET 300 WORDS