Is the line in a good fit for the data points in the scatter plot? Why or why not? .
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Yes, because the line has a positive slope and the scatter plot has a positive association.
Yes, because the points are very close to the line.
No, because the data does not show linear association.
No, because the line does not pass through many of the points.

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?