A Researcher Wishes to Determine Whether People with High Blood $\mu _ { 1 } - \mu _ { 2 }$

question 2

Essay

A researcher wishes to determine whether people with high blood pressure can lower their blood pressure by performing yoga exercises. A treatment group and a control group are selected. The sample statistics are given below. Construct a 90 % confidence interval for the difference between the two population means, $\mu _ { 1 } - \mu _ { 2 }$ Would you recommend using yoga exercises? Explain your reasoning.
$\begin{array} { l l } \mathrm { n } 1 = 100 & \mathrm { n } _ { 2 } = 100 \\\overline { \mathrm { x } } 1 = 178 & \overline { \mathrm { x } } 2 = 193 \\\mathrm {~s} 1 = 35 & \mathrm {~s} 2 = 37\end{array}$

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Definitions:

Torture

The act of inflicting severe pain or suffering on someone as a punishment or to force them to do or say something, or for the pleasure of the person inflicting the pain.

Social-Responsibility Norm

A societal rule that people should help those who need them without expecting anything in return.

Homeless

The state of having no stable or permanent place to live.

Social Traps

Situations wherein individuals or groups make decisions that are rational and beneficial short-term but lead to negative outcomes in the long-term for the individual or collective.