QMS 202 Final: QMS 102 Final Exam Notes/Crib Sheet (ecl. ch 8-9)
10 Dec 2015
School
Department
Course
Professor
Document Summary
Business statistics i {exam notes x crib sheet} victor xie. Qms 102 (1) quantitative data (numerical data): data resulting from measuring. Interval: between each value are split (ie: the difference between 29 and 30 degrees are the same as between 79 and 80) Ratio: natural zero point; division between two values; may be continuous or discrete. Measurement scale: nominal: have no particular ranking or order in their categories, ordinal: there is a particular order to the categories (ie: letter grades a+ a a- etc ) Chapter 3 graphical presentation of quantitative data. Stem rules: # of stems = 6-13 stems, stem values are consecutive or repeated #; negative numbers are descending order, stem units must be (ie: stem (100s, the first and last stem must have at least 1 leaf. Leaf rules: the leaf for each data is the next single digit after the stem; when the stems are repeated twice, the leaves, calculator!
