To properly analyze the variables impacting the output of a process we need to collect data that represents at least 80% of the variation in the process and assure ourselves we are collecting data from all three types of variation which are _______________.

To properly analyze the variables impacting the output of a process we need to collect data that represents at least 80% of the variation in the process and assure ourselves we are collecting data from all three types of variation which are _______________.
A . Within, Between and Temporal
B . Within, Between and Temporary
C . Without, Above and Below
D . Induced, Natural and Unavoidable

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Answer: A