Scales of Measurement v Indicate whether the following measures use a nominal, ordinal, interval, or ratio scale: Prices on the stock market Marital status, classified as "married\" or "never married\" Whether a respondent has ever been unemployed Professorial rank: assistant professor, associate professor, or 9-057!\" professor Course grades: A, B, C, DI or F Blood-alcohol content Number of Facebook friends . The color of one's eyes . The size of one's pupils :rannrn j. Time spent per day using a smartphone or tablet