Question: Below are the readings associated with three additional samples of size 20, taken after the company drew its mean and range charts based on the

Below are the readings associated with three additional samples of size 20, taken after the company drew its mean and range charts based on the data above. According to the companys new charts, which of these three additional samples indicate assignable variation is present in the process?

Sample I- Sample mean: 350.0 ml; Sample range: 0.5 ml

Sample II- Sample mean: 351.0 ml; Sample range: 1.5 ml

Sample III- Sample mean: 349.8 ml; Sample range: 1.3 ml

a) Sample I only b) Sample II only c) Samples I and III

d) Samples II and III e) Samples I, II and III

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