A Medical Researcher Is Interested in Determining If There Is $$\chi _ { 0 } ^ { 2 }$$

Multiple Choice

A medical researcher is interested in determining if there is a relationship between adults over 50 who walk regularly and low, moderate, and high blood pressure. A random sample of 236 adults over 50 is selected and
The results are given below. Find the critical value χ $$\chi _ { 0 } ^ { 2 }$$
to test the claim that walking and low, moderate, and
High blood pressure are not related. Use $$\alpha$$ = 0.01. $$\begin{array} { l | c c c } \text { Blood Pressure } & \text { Low } & \text { Moderate } & \text { High } \\\hline \text { Walkers } & 35 & 62 & 25 \\\text { Non-walkers } & 21 & 65 & 28\end{array}$$

A) 9.210
B) 9.348
C) 6.251
D) 0.584