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Is there evidence to support the claim that catalyst 2 produces higher mean yield than catalyst 1? Use a=0.01. What is the appropriate hypothesis test? Right-tailed test Middle-tailed test O Left-tailed test Two-tailed test

Is there evidence to support the claim that catalyst 2 produces higher mean yield than catalyst 1? Use a=0.01. What is the appropriate hypothesis test? Right-tailed test Middle-tailed test O Left-tailed test Two-tailed test

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Two catalysts may be used in a batch chemical process. Twelve batches were prepared using catalyst 1, resulting in an average yield of 86 and a sample standard deviation of 3. Fifteen batches were prepared using catalyst 2, and they resulted in an average yield of 89 with a standard deviation of 2. Assume that yield measurements are approximately normally distributed with the same standard deviation. Is there evidence to support the claim that catalyst 2 produces higher mean yield than catalyst 1? Use a=0.01. What is the appropriate hypothesis test? O Right-tailed test O Middle-tailed test Left-tailed test O Two-tailed test
Transcribed Image Text:Two catalysts may be used in a batch chemical process. Twelve batches were prepared using catalyst 1, resulting in an average yield of 86 and a sample standard deviation of 3. Fifteen batches were prepared using catalyst 2, and they resulted in an average yield of 89 with a standard deviation of 2. Assume that yield measurements are approximately normally distributed with the same standard deviation. Is there evidence to support the claim that catalyst 2 produces higher mean yield than catalyst 1? Use a=0.01. What is the appropriate hypothesis test? O Right-tailed test O Middle-tailed test Left-tailed test O Two-tailed test
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