Cheapest car rental rents cars at the chicago airport. the rental market consists of two segments: the short term segment, which rents for an average of 0.5 weeks, and the medium-term segment, which rents for an average of 2 weeks. cheapest currently rents an average of 200 cars a week to the short-term segment and 100 cars a week to the medium-term segment. how many customers per week go through the process? total inventory will be the sum of both segments. hint: i = r * t can be calculated for both segments.

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?