Question 2 of 36 A researcher is interested in comparing Reading Program A and Reading Program B. They randomly select 100 students and then randomly assign 50 students to Reading Program A and 50 students to Reading Program B. At the end of each program, students are administered a reading comprehension test. The researcher finds that the mean of student scores in Program A is higher than the mean of student scores in Program B. The mean of scores from students randomly assigned to Program A is an example of a A sample B. population O C. parameter OD. statistic