Helping you help yourself.
Tools and Widgets
All applets here (except for the Random Number Generator) are the copyrighted intellectual property of MathEVmatics. You are free to use and share the weblink for these applets for educational purposes.
Random Number Generator
Cumulative Frequency
Use the applet below to explore cumulative frequency curves (ogives), and use of cumulative frequency curves to find percentiles.
Box Plots
Use the applets below to explore box plots, including standard deviation, skew and outliers.
Scatter Diagrams
Use this applet to explore and make sense of scatter diagrams, including using them for interpolation and extrapolation, and to practice calculating PPMCC and SRCC
Spearman's Rank
Use the applet below to infinitely* practice calculating Spearman's Rank Correlation Coefficient, both from summary statistics and a table of data.
*Please note that the MathEVmatics Spearman's Rank Applet cannot lengthen your lifespan and will not grant immortality. As such, you may only "infinitely" practice within your mortal lifespan. Terms and conditions apply. Your home may be repossessed if you do not keep up repayments.
Time Series & Moving Averages
Use these applets to explore and make sense of time series, moving averages, trends and seasonal variation.
