We want to compare two factories, with respect to the satisfaction shown by customers regarding the service during the period of stay in each factory. For this purpose, customers of similar size were randomly selected. Each customer filled out a questionnaire and the responses generated ratings ranging from 0 to 100, indicating the degree of satisfaction. The results were: Client A B 1 93 60 2 86 58 85 47 90 62 5 91 58 6 82 61 7 88 63 8 86 64 87 68 10 85 58 11 57 12 67 13 61 14 56 15 58 Based on the data presented, test whether the population means are equal. What's your conclusion? Use a = 0.05 Use: Z0,05 = -1,645 Z0,025 = -1,96 t(0,05;23) = -1,714 t(0,025;23) = -2,069

We want to compare two factories, with respect to the satisfaction shown by customers regarding the service during the period of stay in each factory. For this purpose, customers of similar size were randomly selected. Each customer filled out a questionnaire and the responses generated ratings ranging from 0 to 100, indicating the degree of satisfaction. The results were: Client A B 1 93 60 2 86 58 85 47 90 62 5 91 58 6 82 61 7 88 63 8 86 64 87 68 10 85 58 11 57 12 67 13 61 14 56 15 58 Based on the data presented, test whether the population means are equal. What's your conclusion? Use a = 0.05 Use: Z0,05 = -1,645 Z0,025 = -1,96 t(0,05;23) = -1,714 t(0,025;23) = -2,069

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 5E: List the sample space of each experiment. Rolling one die and tossing one coin

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