Test the Claim That the Samples Come from Populations with the Same

question 104

Essay

Test the claim that the samples come from populations with the same mean. Assume that the
populations are normally distributed with the same variance. At the 0.025 significance level,
test the claim that the three brands have the same mean if the following sample results have
been obtained. $$\begin{array} { c c c } \text { Brand A } & \text { Brand B } & \text { Brand C } \\\hline 32 & 27 & 22 \\34 & 24 & 25 \\37 & 33 & 32 \\33 & 30 & 22 \\36 & & 21 \\39 & &\end{array}$$

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Definitions:

Revenue

The total amount of money earned by a business from its normal business operations, before any expenses are subtracted.

Credit Balance

An accounting situation where the sum of credits in an account exceeds the sum of debits, often seen in liability and revenue accounts.

Income Summary

An account used in the closing process that aggregates all revenues and expenses to determine the overall profit or loss.

Capital

The wealth, either financial or other assets, used by an individual or business to fund operations and facilitate growth.