GOOD Magazine has put together an infographic on the education demands for next generation’s workforce. It’s a very timely topic for me and always a good reminder for students. Unfortunately, students who need to know this the most often do not understand. Some common problems are abound in this infographic that are also apparent in […]

# I really like Zotero’s new tab

Firefox 4’s implementation is neat, 3.x was bland.

# STEMania

A few STEM items today. From the most recent issue of Technology and Engineering Teacher by Ryan Brown, Joshua Brown, Kristin Reardon, and Chris Merrill: STEM education has been defined as “a standards-based, meta-discipline residing at the school level where all teachers, especially science, technology, engineering, and mathematics (STEM) teachers, teach an integrated approach to […]

# Educational Attainment of Adults over 25 in Iowa

A new project is going to send me into map-making mode for awhile, here is the first bit (click for full size):

# Math 241 Final

Download this Excel document. We will spend some time trying to understand what influences graduation rates. Graph a histogram for $/Student and SAT score. Copy & paste each graph into a word document. Describe whether or not each variable appears to be normally distributed. Estimate the mean, median, and mode based on the graph for […]

# Math 241: Homework #3

Instructions: Complete all of the questions below. You may use a calculator or tables in the appendices. Please denote the method of how you found your answers, including the calculator commands/functions/equations, so I can diagnose whether you’re having conceptual issues or technology input issues. This is due April 21, 2011. 5.42 (p. 253) 5.67 (p. […]

# Type II Errors

Significance testing at 0.05 means you will get an erroneous false-positive 1 times out of 20. xkcd exhibits: