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    What Statistical Designs should I use?

    thanks for the help!
  2. B

    What Statistical Designs should I use?

    Hi! We're making a Design of Experiment that involves the use of rubber band and egg shell to see of it affect compression strength of a concrete. So, we make a proportion of the cement and two control variables in interval like 1. 100:0:0 2. 50: 50 :0 3. 50: 0: 50 4. 50: 25: 25 5. 50: 75...