For Four Populations, the Population Variances Are Assumed to Be

question 11

Essay

For four populations, the population variances are assumed to be equal. Random samples from each population provide the following data. $$\begin{array} { c c c c } \text { Population } & \text { Sample Size } & \text { Sample Mean } & \text { Sample Variance } \\1 & 11 & 40 & 23.4 \\2 & 11 & 35 & 21.6 \\3 & 11 & 39 & 25.2 \\4 & 11 & 37 & 24.6\end{array}$$ Using a .05 level of significance, test to see if the means for all four populations are the same.

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An organized network of hospitals, clinics, and health care facilities that provides a range of medical services to patients.

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A senior executive responsible for the management and development of a company's or organization’s workforce.