Current Attempt in Progress Classify each of the following as nominal, ordinal, interval, or ratio data.

a. The time required to produce each tire on an assembly line - select a level of data
b. The number of quarts of milk a family drinks in a month - select a level of data
c. The ranking of four machines in your plant after they have been designated as excellent, good, satisfactory, and poor - select a level of data
d. The telephone area code of clients in the United States - select a level of data
e. The age of each of your employees - select a level of data
f. The dollar sales at the local pizza shop each month - select a level of data
g. An employee’s identification number - select a level of data
h. The response time of an emergency unit - select a level of data