MKT 317 Lecture Notes - Graduate Management Admission Test
Document Summary
Examples of measurement scales: model numbers on airplanes; e. g. 707, 727, 737, 747. Nominal scale; not ordinal, can"t be ranked: ap top 25. Ordinal scale; but not saying who is better: religion. Nominal scale; identifying an attribute: speed. Ratio scale; skills of measurement is convertible, no negative speed: gmat scores. Interval scale; scale does not start at zero: price. Ratio scale; no negative price, unit of measure: fortune 500. Ordinal scale; #1 is the biggest: age. Nominal scale; identifies the car: income. Ratio scale; no negative amount: income in categories. Method: what test to use (determined by data) Hypothesis for tests of 2 means: two-tailed test. H1: 1 2 d0: right-tailed test. H1: 1 2 > d0: left-tailed test. Note: d0 does not have to be 0, although it often is, specify which population is n1 & n2 (always 1 vs. 2). When to use a t or z test.
