Error bars illustrate the margin of error for a survey estimate by showing how precise that estimate is. Here are some answers to common questions that might help you better understand charts with ...

Can the users of financial statements and annual reports rely upon the charts in them for accuracy? A sample of 50 public companies' yearly reports ...

This module uses random number generators to simulate dice rolls. The user can provide any number of different sided dice and the number of times the dice are rolled. The program will then produce a ...

19th-century mathematics is giving way to 3D, high-resolution, real-topography models that could provide a more precise path of totality for the next total solar eclipse. Solar eclipse maps show crisp ...