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

question 102

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. Given the sample data below,
test the claim that the populations have the same mean. Use a significance level of 0.05. $$\begin{array} { c c c } \text { Brand A } & \text { Brand B } & \text { Brand C } \\\hline n = 10 & n = 10 & n = 10 \\\bar { x } = 32.1 & \bar { x } = 32.6 & \bar { x } = 27.2 \\s ^ { 2 } = 4.37 & s ^ { 2 } = 3.61 & s ^ { 2 } = 3.34\end{array}$$

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Definitions:

Money Supply

The grand total of money available in an economy at a specific time, encompassing cash, coins, and deposits in checking and savings accounts.

Domestic Goods

Goods that are produced within a country's borders and are part of its national output.

Foreign Currency

Money or legal tender issued by a country other than one's own, used for international trade and investment.

Price Levels

A mean calculation of prices for all goods and services currently in the economic domain.