A Medical Researcher Is Interested in Determining If There Is

Essay

A medical researcher is interested in determining if there is a relationship between adults over 50 who exerciseregularly and low, moderate, and high blood pressure. A random sample of 236 adults over 50 is selected andthe results are given below. Test the claim that regular exercise and low, moderate, and high blood pressure areindependent. Use α = 0.01. $$\begin{array} { l | c c c } \text { Blood Pressure } & \text { Low } & \text { Moderate } & \text { High } \\\hline \text { Reg. Exercise } & 35 & 62 & 25 \\\text { No Reg. Exercise } & 21 & 65 & 28\end{array}$$