Question

(a) In each of the following, determine which of the four levels/scales of measurement (nominal,
ordinal, interval, ratio) is most appropriate.
(i) Salaries of beginning insurance agents.
(ii) Survey responses of: “Strongly agree, agree, disagree, strongly disagree.”
(iii) Visa credit card numbers.
(iv) Nationalities of students in a survey.
(v) Times required to lubricate a car at a garage.
(vi) The daily ‘low temperature’ for the last month in your town.
(vii) Telephone area codes.
(viii) Consumer Reports hotel ratings of one, two, three or four stars.

(b) Categorize the following as either discrete qualitative, discrete quantitative or continuous
quantitative.
(i) The listing of “reason given for quitting a job”.
(ii) Precise time it takes a bank teller to service a customer.

(iii) Number of damaged items in a shipment of 10,000 items.
(iv) The amount (to the nearest ounce) of antifreeze in a container

Answer 1

a)

(i) Salaries of beginning insurance agents ratio

(ii) Survey responses of: “Strongly agree, agree, disagree, strongly disagree. ordinal

(iii) Visa credit card numbers nominal

(iv) Nationalities of students in a survey nominal

(v) Times required to lubricate a car at a garage ratio

(vi) The daily ‘low temperature’ for the last month in your town interval

(vii) Telephone area codes nominal

(viii) Consumer Reports hotel ratings of one, two, three or four stars ordinal

b) (i) The listing of “reason given for quitting a job” discrete qualitative

(ii) Precise time it takes a bank teller to service a customer continuous
quantitative

(iii) Number of damaged items in a shipment of 10,000 items discrete quantitative

(iv) The amount (to the nearest ounce) of antifreeze in a container discrete quantitative