Statistical data can by typed in by hand, or imported as a text file. This makes it possible to use data from the internet or data logging devices connected to temperature probes and the like.
Here are the options available for graphing and calculating statistics in Maths Helper Plus...
You decide what columns to include in your data table. You can click buttons to plot cumulative frequency or cumulative percentage values.
This table has all possible columns shown:
The following statistics calculated, and all working steps are displayed if required:
Here are the working steps displayed by Maths Helper Plus for some sample statistics:
Specify class intervals to apply to your raw data by typing three numbers in the white edit boxes of this dialog box:
Once applied to your data, all statistical calculations use the class midpoint values only. Classes are also included in the data tables.
There are an incredible range of options for displaying histograms and frequency polygons:
Maths Helper Plus provides a comprehensive range of options
for creating 'Stem-and-leaf' and box plots.
Here is a stem & leaf plot created with Maths Helper Plus:
STEM AND LEAF PLOT: