Question: Two catalysts are being considered for a chemical process. Twenty-one batches were completed using Catalyst 1, providing an average yield of 1=95 and a standard

Two catalysts are being considered for a chemical process. Twenty-one batches were completed using Catalyst 1, providing an average yield of 1=95 and a standard deviation of 1=1.43. Sixteen batches were run with Catalyst 2, and a mean yield of 2=98 was found, along with 2=1.51. Assume the underlying yield data are Normally distributed

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