Premise:
"yeah and uh the costuming"
Hypothesis: The formal attire

no

Premise:
"For case studies in particular, there must be an empirical basis for instance selection and assurance of adequate population homogeneity."
Hypothesis: It's important because there's a broad base of information being considered in the case study.

it is not possible to tell

Premise:
"but um you just might as well knock of a couple thousand dollars from your salary you know to pay for this medical care and then i i don't have kids so i'm not worrying about family coverage"
Hypothesis: You could just take several thousand dollars from your pay to be able to fund medical care and since I don't have children I do not worry about family.
yes