Concept
Version 9
Created by Boundless
Experimental Design
![Old-fashioned scale](../../../../../../../../../figures.boundless-cdn.com/18198/full/balance-c3-a0-tabac-1850.jpeg)
Old-fashioned scale
A scale is emblematic of the methodology of experimental design which includes comparison, replication, and factorial considerations.
Source
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"Balance à tabac 1850."
https://en.wikipedia.org/wiki/File:Balance_%C3%A0_tabac_1850.JPG
Wikipedia
CC BY-SA.