MATH 214 Study Guide - Final Guide: Sampling Frame, Probability Distribution, Unimodality
10 Jan 2019
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Math 214: a) quantitative; ratio, a) . 29, unfair. P(player 1 scores a point) = 5/9; p(player 2 scores a point) = 4/9 [this game is easy to represent using a simple tree: using balancing point : Represent the first five test scores as data points on a dot plot. We need to calculate where to put a sixth dot so that the graph will balance at 85, because the mean of a data set is the balancing point of its dotplot or histogram. So, put a pivot point on 85 and measure each dot"s distance from that pivot. In order to balance, the sum of the distances on the left of the pivot must equal the sum of the distances on the right. On the left, the total distance is 3 + 11 + 6 = 20 units. On the right, the total distance is 2 + 8 = 10 units.
