Dr. Sherri Brock's diet pills are supposed to cause significant weight loss. The following table shows the results of a recent study where some individuals took the diet pills and some did not.
$$\begin{array} { l | r | r | r }
& \text { Diet Pill } & \text { No Diet Pills } & \text { Total } \
\hline \text { No Weight Lo55 } & 80 & 20 & 100 \
\hline \text { Weight Loss } & 100 & 100 & 200 \
\hline \text { Total } & 180 & 120 & 300
\end{array}$$ We want to see if losing weight is independent of taking the diet pills.
a. Compute the test statistic.
b. Using the p-value approach at 95% confidence, test to determine if weight loss is independent on taking the pill.
c. Use the critical method approach and test for independence.

Question

Dr. Sherri Brock's diet pills are supposed to cause significant weight loss. The following table shows the results of a recent study where some individuals took the diet pills and some did not.
 $$\begin{array} { l | r | r | r } 
& \text { Diet Pill } & \text { No Diet Pills } & \text { Total } \
\hline \text { No Weight Lo55 } & 80 & 20 & 100 \
\hline \text { Weight Loss } & 100 & 100 & 200 \
\hline \text { Total } & 180 & 120 & 300
\end{array}$$ We want to see if losing weight is independent of taking the diet pills. 
a. Compute the test statistic.
b. Using the p-value approach at 95% confidence, test to determine if weight loss is independent on taking the pill.
c. Use the critical method approach and test for independence.

Quizplus · Accepted Answer

The Answer of Dr. Sherri Brock's diet pills are supposed to cause significant weight loss. The following table shows the results of a recent study where some individuals took the diet pills and some did not.
 $$\begin{array} { l | r | r | r } 
& \text { Diet Pill } & \text { No Diet Pills } & \text { Total } \
\hline \text { No Weight Lo55 } & 80 & 20 & 100 \
\hline \text { Weight Loss } & 100 & 100 & 200 \
\hline \text { Total } & 180 & 120 & 300
\end{array}$$ We want to see if losing weight is independent of taking the diet pills. 
a. Compute the test statistic.
b. Using the p-value approach at 95% confidence, test to determine if weight loss is independent on taking the pill.
c. Use the critical method approach and test for independence.

Dr Sherri Brock's Diet Pills Are Supposed to Cause Significant