In study on test scores at different schools which of the following is most clearly an example of categorical dataa. number of hours of homework assigned. b. name of school. c. average test scores. d. number of hours in school.

the answer is

creative crowdsourcing spans sourcing creative projects such as graphic design, crowdsourcing architecture, apparel design, movies, writing, company naming, illustration, etc.

explanation:

answer(b) keep oxygenated and deoxygenated blood separate;