questions 8 to 25. passing a course in college is affected in part by the development of positive self-confidence in educational planning. in the following experiment, 27 students were randomly selected and assigned to one of three training groups. this took place just before the start of fall classes at california state fullerton. at the end of the school year, participants’ academic outcome scores were counted-the data below. scores range from 1 (failing) to 10 (succeeding)is there a significant difference between the groups?
