Es - which relation is not a function?
a)
input: name of student: output: gpa
input: price of an item; output: upc code
input: name of student: output: birth month
input: next door neighbors: output: zip code

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. monthly temperatures: 63 degrees upper f comma 67 degrees upper f comma 71 degrees upper f comma 75 degrees upper f comma and 79 degrees upper fmonthly temperatures: 63° f, 67° f, 71° f, 75° f, and 79° f