Decision Rule : Reject H0 if Zcal > citical value Z = Test statistic: (Z calculated) Zcal = (use 4 decimal places) Conclusion: Но.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Pregunta 8
Given the following null and alternative hypotheses, conduct a hypothesis test using an alpha equal to 0.05. (Note: The population
standard deviations are assumed to be known.)
HO: µ1 < µ2
HA: µ1 > µ2
The sample means for the two populations are shown as follows:
sample mean 1 = 144, sample mean 2 = 129
population standard deviation 1 = 11, population standard deviation 2 = 16
sample size 1 = 40, sample size 2 = 50
Answer:
Decision Rule : Reject HO if Zcal > citical value Z =
Test statistic: (Z calculated) Zcal =
(use 4 decimal places)
Conclusion:
Но.
Transcribed Image Text:Pregunta 8 Given the following null and alternative hypotheses, conduct a hypothesis test using an alpha equal to 0.05. (Note: The population standard deviations are assumed to be known.) HO: µ1 < µ2 HA: µ1 > µ2 The sample means for the two populations are shown as follows: sample mean 1 = 144, sample mean 2 = 129 population standard deviation 1 = 11, population standard deviation 2 = 16 sample size 1 = 40, sample size 2 = 50 Answer: Decision Rule : Reject HO if Zcal > citical value Z = Test statistic: (Z calculated) Zcal = (use 4 decimal places) Conclusion: Но.
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