QMS 102 Study Guide - Midterm Guide: Hird, Amay, Skewness
11 Dec 2011
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6 draw whiskers : two rules apply - Each whisker is as long as possible, but: they cannot go past the inner fence, they must end at a data point. Outliers all data values that fall between the. Suspect outliers all data values that lie beyond the outer fences use * to indicate. Classes 5-10 cw (max min) / 5. Nominal qual data that has no particular order or ranking to the categories. (marital status, sport, colour, postal code, brand, y/n) Ordinal qual data with natural order to the categories (grades, medals, rating) Interval 0 does not mean there is no amount. Division works (d, dvds, employees, vacations, age) (c, size, price, distance) Stems 6-13, twice or five times, unit. If positive and negative numbers are both present, +0 and -0 are used as stems. Nice numbers 1,2,2. 5,5, multiply or divide any of those by 10. Steps sort, min/max, cw, nice number, construct.
