Perform the Indicated Hypothesis Test Test the Claim That Walking and Blood Pressure Are Independent

question 81

Essay

Perform the indicated hypothesis test. Be sure to do the following: identify the claim and state the null and alternative
hypotheses. Determine the critical value. Calculate the test statistic. Decide to reject or to fail to reject the null
hypothesis and interpret the decision in the context of the original claim.
-A researcher is interested in determining if there is a relationship between exercise and blood pressure for
adults over 50. A random sample of 236 adults over 50 is selected and the results are given below. $$\begin{array}{l}\begin{array} { l | c c c } &\text { Blood Pressure }\\& \text { Low } & \text { Moderate } & \text { High } \\\text { Exercise } & & & \\\hline \text { Walkers } & 35 & 62 & 25 \\\text { Non-walkers } & 21 & 65 & 28\end{array}\end{array}$$ Test the claim that walking and blood pressure are independent. Use $$\alpha = 0.01$$