Students run a simulation of how a fire will spread through a stand of trees, learning about probability and chaos. Parameters: Forest density, wind direction, size of forest.
  
  
  
  Audiences:
  Grades 6-8, Grades 9-12, Undergraduate
  
  
  
  
  Primary Subjects:
  Discrete, Fractions, Modeling, Probability
  
  
  
  Related Topics:
  agent modeling, chaos, conditional probability, experimental probability, iteration, percentages, percents, probability simulation, proportion, simulation, skewed distribution, variance
  
 
        
      
        
          
  
    Students can create box plots for either built-in or user-specified data as well as experiment with outliers. User may choose to use or not use the median for calculation of interquartile range.
  
  
  
  Audiences:
  Grades 6-8, Grades 9-12, Undergraduate
  
  
  
  
  Primary Subjects:
  Graphs, Statistics
  
  
  
  Related Topics:
  box and whisker, box plot, coordinate plane, data plot, median, outlier, percentages, quartile, range, scale, skewed distribution, statistics
  
 
        
      
        
          
  
    View histograms for built-in or user-specified data. Experiment with how the size of the class intervals influences the appearance of the histogram. Parameters: Data sets, class sizes.
  
  
  
  Audiences:
  Grades 3-5, Grades 6-8, Grades 9-12, Undergraduate
  
  
  
  
  Primary Subjects:
  Graphs, Statistics
  
  
  
  Related Topics:
  counting, data plot, graph, histogram, intervals, mean, range, skewed distribution, slides, standard deviation