The variables and their levels of measurements are:
There are four levels of variables
The nominal level of variable is a named variable, and they do not have any order.
So, the ice cream flavors can be categorized as a nominal variable because there can be as many flavors as possible
The ordinal level is used for rankings
So, rankings on a grading rubric can be categorized as an ordinal variable
The interval level is used for range
So, the temperature of passengers can be categorized as an interval variable
Lastly, the number of units is a ratio variable because it can take absolute zero as its value
Read more about level of variable measurements at:
https://brainly.com/question/13267344