Alocal college student will be randomly selected to attend a leadership conference in washington d. c. there are 2020 lacal college students of which 40% are male 480 of the college students are gradruate students and half of the gradruate students are female. which of the following best represents the probrability that the selected college student will be a male student or a gradruate student?

Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?