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Name: To evaluate the effect of a treatment, a sample is ob- tained from a p
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Description: To evaluate the effect of a treatment, a sample is ob- tained from a population with a mean of u= 40, and the treatment is administered to the individuals in the sample. After treatment, the sample mean is found to be M =44.5 with a variance of s2 =

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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To evaluate the effect of a treatment, a sample is ob- tained from a population with a mean of u= 40, and the treatment is administered to the individuals in the sample. After treatment, the sample mean is found to be M =44.5 with a variance of s2 = 36.

If the sample consists of n = 4 individuals, are the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with a = .05?

b. If the sample consists of n = 16 individuals, are the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with a = .05?

c. Comparing your answers for parts a and b, how does the size of the sample influence the outcome of a hypothesis test?

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