4. The following data were obtained from an independent-measures research studycomparing three treatment conditions. Use an ANOVA with a=.05 to determinewhether there are any significant mean differences among the treatments (do ALL thesteps of a hypothesis test). If so, solve for the effect size and conduct Tukey post-hoctests.151230122T₁ = 16SS₁₂ = 16n₁ = 8M₁ = 2Treatment246435343T₂ = 32SS₂ = 8n₂ = 8M₂ = 4379845645T3 = 48SS3 = 24n3 = 8M3 = 6ΣΧ2 = 496G = 96N = 24k = 3

Treatment 1Treatment 2Treatment 3547169248334055136244235T1 = 16T2 = 32T3 = 48SS1 = 16SS2 = 8SS3 =…

Answered: 4. The following data were obtained…

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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Getting an adequate amount of sleep can improve a variety of physiological functions, and it is known that the average number of hours that people sleep each night is normally distributed. A psychiatrist or a major research center takes an SRS of 25 emotionally disturbed patients and records the average amount of sleep that each gets on a typical night. He summarizes the data and finds that Xbar=6.90 and S= 0.878. What sample size would the researcher need to use in order to decrease the margin of error of a 95% confidence interval to +-0.20 hours?
The following data were obtained an independent-measures research study comparing three treatment conditions. Use an ANOVA with α = 0.05 to determine whether there are significant mean differences among the treatments. TREATMENT I II III 2 5 7 N = 14 5 2 3 G = 42 0 1 6 ∑X^2 = 182 1 2 4 2 2 T 12 10 20 SS 14 9 10
State the hypotheses for each of the three separate tests included in the two-factor ANOVA.
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