| 6. The effects of two catalysts on the mean yield of a chemical process are being investigated. test is conducted in the pilot plant, yielding the data reported in Table 1. Is there any difference between the mean yields from the two catalyst at the 5% significance level? Assume the two population variances are equal. OUTA OUT Table 1 Observation Catalyst 1 Catalyst 2 1 M OUTM 91.50 89.19 2 94.18 90.95 3 92.18 90.46 4 95.39 93.21 5 91.79 97.19 6 89.07 97.04 7 94.72 91.07 8 89.21 92.75 OUTM UTMA M OUTM UTM

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