Leading the way through the treacherous waters of Pre-Algebra to the victory of understanding.
Tuesday, February 25, 2014
Using Probability to Learn Statistics
Probability tests using number cubes or spinners are a good way to create a set of data. The numbers have variance without being overly large, a mode is present, the range is also not very large, and you can relate the mean to probability through the "Law of Averages". You can also bring up the bell curve. The data set created can be used to create circle graphs by showing experimental vs theoretical probability, bar graphs by breaking it down per probability device, histograms and line plots to show frequency of results, scatter plots to show trends between the spinner and the number cube, and box and whisker graphs to show range, median, and quartiles. This will require a bit more care with the data sheet, as carelessness will lead to the initial part failing.
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