Answered: Part 1 : A two-tailed hypothesis test…

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Description: Part 1 : A two-tailed hypothesis test is being used to evaluate a treatment effect with α = .05. If the sample data produce a z-score statistic of z = -1.24, then what is the correct decision? Part 2 : A sample of n = 16 individuals is selected from

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Part 1 : A two-tailed hypothesis test is being used to evaluate a treatment effect with α = .05. If the sample data produce a z-score statistic of z = -1.24, then what is the correct decision?

Part 2 : A sample of n = 16 individuals is selected from a population with μ = 60 and σ = 5 and a treatment is administered to the sample. After treatment, the sample mean is M = 75. A z-score statistic was used to test the hypotheses. What is the value of Cohen’s d for this sample?

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