Two companies sell sports medals online. Company Y charges $3.59 per medal plus $9.99 for shipping. Company Z charges $3.99 per medal plus $5.99 for shipping. What is the fewest number of medals that can be purchased from Company Y to have a lower total cost than Company Z?

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

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?