State the null and alternative hypothesesCalculate the expected results for the hypothesis test assuming the null hypothesis is true and determine the hypothesis test model , i.e., “cut-off” critical values etc.Formulate the decision rule, i.e., include “one-tail ”left, or “one-tail” right, or “two-tail” determination etc.Determine the experimental outcome.Determine the conclusion, and answer the question(s) posed in the problem, if any. It is claimed that a large corporation discriminates against its women employees in its promotion practices. Over many years, the mean time before first promotion for its male employees has been 3 years. A random sample of 20 females, who had worked there many years, showed a mean time of 3.8 years before first promotion, with s=1.2 years. Using a level of significance of 5%, see if the data support the claim.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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State the null and alternative hypotheses
Calculate the expected results for the hypothesis test assuming the null hypothesis is true and determine the hypothesis test model , i.e., “cut-off” critical values etc.
Formulate the decision rule, i.e., include “one-tail ”left, or “one-tail” right, or “two-tail” determination etc.
Determine the experimental outcome.
Determine the conclusion, and answer the question(s) posed in the problem, if any.

It is claimed that a large corporation discriminates against its women employees in its promotion practices. Over many years, the mean time before first promotion for its male employees has been 3 years. A random sample of 20 females, who had worked there many years, showed a mean time of 3.8 years before first promotion, with s=1.2 years. Using a level of significance of 5%, see if the data support the claim.

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