Astudent solved this problem and said the answer is 81 2 pounds. jill's club bought 42 5 pounds of hot dogs, 31 2 pounds of hamburger, and 23 10 pounds of chicken for the picnic. how much meat did they buy altogether? is the student's answer reasonable? no, the answer is not reasonable. it should be about 12 pounds. no, the answer is not reasonable. it should be about 15 pounds. no, the answer is not reasonable. it should be about 10 pounds. yes, the answer is reasonable.

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?