The classical dichotomy is the separation of real and nominal variables. the following questions test your understanding of this distinction.
rina spends all of her money on paperback novels and donuts. in 2009 she earned $14.00 per hour, the price of a paperback novel was $7.00, and the price of a donut was $2.00.
1: which of the following give the nominal value of a variable.? check all that apply
a) the price of a donut is $2.00 in 2009.
b) rina's wage is $14.00 per hour in 2009.
c) rina's wage is 2 paperback novels per hour in 2009

Gibson's bodywork does automotive collision work. an insurance agency has determined that the standard time to replace a fender is 2.5 hours (i.e., "standard output" 0.4

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Employees at a library check out books to patrons. books have an isbn and a name. the library sometimes has multiple copies of the same book. books have one or more authors. a patron is an individual who has an active (non-expired) library card. for each library card, we store the person's first and last names and their address. for each employee, we store their employee id, current salary, first and last name and their address. we also store the employee id of their current manager. each time we check out a book to a patron we need to store the date of the transaction, the employee who checked out the book to the patron, and the library card of the patron. some employees have library cards. if an employee patron turns in a book late, the fine that they pay is a percentage of their salary. some employees are authors who have library cards—they are allowed to check out as many books as they like.