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eC Secure https:/www.webassign.net/webystudient/Assignment-Responses/last hdep 19735622 3/6 peints People who get angry easily tend to have the beginning of the study. The subjects took the Spielberger Trait Anger Scale test, which measures how prone a person is to sudden normal blood pressure. CHD stands for "coronary heart disease. This includes people who had heart attacks and those who needed medical treatment for heart disease. more heart disease. That's the conclusion of a study that followed a random sample of people for about four years. All subjects were free of heart disease at anger. Here are data for the 8474 people in the sample who had Low anger Moderate anger High anger Total CHD No OHD 3056 Total 28 193 605 8281 633 8474 Do these data support the study's conclusion about the relationship between anger and heart dsease? Answer the questions below 3111 (a) Select the appropriate practical question. O Are people who get angry easily more likely to have heart disease? Which group has the least CHD Does heart disease cause anger? Which group has the most (b) Identity the response and explanatory variables. Response variable is the anger level; Explianatory variable is the OHD status They cannot be ieentified O Response variable is the CHD status; Explanatory variable is the anger level They can be both. (e) Calculate percentage of CHD by each level of anger. (Use one decimal place of percentage) Low anger Moderate anger High anger CHD 285 )Select the appropriste conclusion that answers the question stated in part (l there is an association, we