A sample of n = 9 participants is obtained from a population with µ = 29, and a treatment is administered to the individuals in the sample. After treatment, the scores for the nine participants are as follows: 23, 33, 26, 28, 30, 26, 27, 25, 25. a. Are the data sufficient to conclude that the treatment has a significant effect? Provide responses for all four steps of the hypothesis testing process to evaluate the treatment. Use a two-tailed test with α = .05.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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A sample of n = 9 participants is obtained from a population with µ = 29, and a treatment is administered to the individuals in the sample. After treatment, the scores for the nine participants are as follows: 23, 33, 26, 28, 30, 26, 27, 25, 25.

a. Are the data sufficient to conclude that the treatment has a significant effect? Provide responses for all four steps of the hypothesis testing process to evaluate the treatment. Use a two-tailed test with α = .05.

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