Use the report of statistical research to identify the following. a) whether it was an observational study or an experiment b) whether it was retrospective or prospective c) the subjects studied, and how they were selected d) the parameter of interest e) the nature and scope of the conclusion regarding what the results may or may not indicate In a test of 1000 men and women, those with high blood pressure did worse on tests of memory and reaction time than those with normal blood pressure. . . . . . O A. Men and women with high blood pressure; subjects were self selected. O B. Men and women with high and normal blood pressure; unknown selection process. O C. Men and women with high blood pressure; unknown selection process. O D. Men and women with high and normal blood pressure; subjects were randomly selected. d) Identify the parameter(s) of interest. O A. The blood pressure level of men and women O B. Memory and reaction time O C. Men and women e) Identify the nature and scope of the conclusion regarding what the results may or may not indicate. O A. There is no way to know that high blood pressure caused subjects to do worse on memory and reaction time tests. O B. High blood pressure causes men and women to do worse on memory and reaction time tests. O C. There is no association between blood pressure and memory and reaction time