QMS 102 Study Guide - Final Guide: Collectively Exhaustive Events, Binomial Distribution, Standard Score

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Raw data 1 2 1 | summary table | bar chart | pie chart | stem & leaf plot 123. 45 rounding, ascending order. Frequency distribution: 5-10 classes, sort data (using _ & under _ ) first + last class not empty, all classes must have the same width estimated. # of classes ecw = (h l)/5 relative frequency: # under class/total = % Leaf rules: if stem is repeated two times, leaves [0, 1, 2, 3, 4 1 st] and [5, 6, 7, 8, 9 2nd] | if stem is repeated five times, leaves [0, 1 1] [2, 3 2] [4, 5 3] [6, 7 4] [8, 9 5] and are reversed when the stem is negative, no commas or dashes, no. Numerical descriptive measures (a) central tendency is the extent to which all the data values group around a typical or central value (b) Parameters (summary measures describing a population) are denoted with greek letters.