Construct the Indicated Confidence Interval for the Difference Between the Two

question 4

Multiple Choice

Construct the indicated confidence interval for the difference between the two population means. 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 construct a $99 \%$ confidence interval for $\mathrm { u } _ { 1 }$ - $\mathrm { u } _ { 2 }$ where $u _ { 1 }$ and $u _ { 2 }$ represent the mean for the treatment group and the control group respectively.
$\begin{array} { l } \text { Treatment Group }& \text { Control Group}\\\hline \mathrm{n}_{1}=85 &\mathrm{n}_{2}=75 \\\overline{\mathrm{x}_{1}}=189.1 & \overline{\mathrm{x}_{2}}=203.7 \\\mathrm{~s}_{1}=38.7 & \mathrm{~s}_{2}=39.2\end{array}$

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Definitions:

Islamic Religious Architecture

Architecture associated with Islam, including structures like mosques, madrasas, and mausoleums, often featuring specific elements like minarets, mihrabs, and Islamic geometric patterns.

Primary Function

The main or essential purpose that an object, facility, or service is designed to serve.

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A spiritual practice involving communication with a deity or deities, often used to express worship, thanks, petition, or confession.

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A distinctive spiraling minaret part of the Great Mosque of Samarra in Iraq, dating back to the 9th century.