Tuesday, October 27, 2009

How Statisticians Affect the World

I chance upon this article:

AP Impact: Statisticians reject global cooling



This is a good read for all to recognize the value of statistics in our everyday lives. A good read also for all statistics students, some sort of warning for them to be careful when analyzing and interpreting data. :)

Wednesday, October 21, 2009

Graphs or Tables


When do we use graphs? When do we use tables?

Which is more appropriate -- a graph or a table?

Simple rule: If you want to present details or values from your data - use tables.
If you want to present a trend - use graphs.

Here's a good write-up on the use of graphs and tables for presentation purposes:

http://www.thinkoutsidetheslide.com/articles/using_graphs_and_tables.htm