Please help! The dot plots below show rainfall totals in the Highlands and Lowlands areas of a certain region.

Which statement comparing the shapes of the dot plots is true?
Both the Highlands and the Lowlands data points are evenly distributed around the center.
Both the Highlands and the Lowlands data points are clustered toward the left of the plot.
The Highlands data points are evenly distributed around the center, while the Lowlands data points are clustered toward the left of the plot.
The Highlands data points are clustered toward the left of the plot, while the Lowlands data points are evenly distributed.

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?