Test the Indicated Claim About the Means of Two Populations

question 77

Essay

Test the indicated claim about the means of two populations. Assume that the two samples are independent and that they have been randomly selected.
-A researcher wishes to determine whether people with high blood pressure can reduce their blood pressure by following a particular diet. Use the sample data below to test the claim that the treatment population mean µ1 is smaller than the control population mean µ2. Test the claim using a significance level of 0.01.
$\begin{array} { l } \text { Treatment Group }& \text { Control Group}\\\hline \mathrm{n}_{1}=85 &\mathrm{n}_{2}=75 \\\overline{\mathrm{x}_{1}}=189.1 & \overline{\mathrm{x}_{2}}=203.7 \\\mathrm{~s}_{1}=38.7 & \mathrm{~s}_{2}=39.2\end{array}$

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Definitions:

Country's Currency

The legal tender issued by a country's government, used as a medium of exchange within its economy.

Consumer Protection Agency

Government or independent organizations tasked with protecting the rights of consumers through the enforcement of laws and regulations that prevent fraud, unfair practices, and misinformation.

Consumer Nationalism

The preference for buying domestic goods over foreign goods as a form of patriotism, often influenced by the belief that purchasing home-grown products supports the national economy.

Currency Fluctuation

Variations in the value of one currency compared to another, affecting international trade and investments.