The local emergency room (ER) is attempting to determine what its equipment needs will be for the foreseeable future. The historical distribution of individuals who have come to the emergency room is presented below
Complaint They feel sick They are having chest pains They have a broken bone Other
Percentage 24% 28% 40% 8%
A recent survey of 800 ER patients showed the type of complaint each had. It is given in the following table.
At the 5% level of significance, what can you conclude? (Be sure to demonstrate that you understand all steps in the analysis - including the hypotheses). Interpret what your conclusion means.