Homework: HW 1.1... Question 4, 1.1.21
HW Score: 44.44%, 4 of 9 points
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A manufacturer of video games sells each copy for $22.59. The manufacturing cost of each copy is $14.42. Monthly fixed costs are $7500. During the first month of
sales of a new game, how many copies must be sold in order for the manufacturer to break even that is, in order for the total revenue to equal the total cost)?

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?