Study.com classes (with assignments) vs TECEP (no assignments)

[ECH90]

I'm confused about what you're comparing.

Finance 303: Financial Institutions and Markets (104 quizzes/1 assignment)
vs.
TECEP FIN-331: Financial Institutions and Markets (84 quizzes/0 assignments)

FIN 303 through Study.com is their actual course.  I'm guessing the 2nd one is the non-credit-bearing course to get you ready to take the TECEP (which is $225).  Not sure why you'd do that?

Same with Ops Management.

Same with Business/Managerial Comm, except that the Business Comm course is LL, while Managerial Comm (course or TECEP ) is UL.

I believe what OP's comparing is doing the course through Study.com versus taking the TECEP

The TECEP doesn't have "84 quizzes/0 assignments." So I don't think that's what's going on, although I could be wrong.

I think OP is talking about using Study.com to prep for the TECEP. The prep course on study.com for the TECEP has 84 quizzes and you would need to take the actual TECEP but you would have no assignments. Or OP isn't aware that the TECEP courses Study.com offers are just to prepare you for the actual TECEP test.