Key concepts- information sheets for teachers
This handout explains the differences and similarities between bar graphs and histograms.
In statistics, error means something different and more specific than in common usage. Some variability is inherent to the group being measured, but some variability can be caused by error. Which is which?
Need help sorting out the various types of frequency plots? Read this file!
This table shows how to decide when to use different types of graphs including frequency plots (box plots, dot plots, histograms), bar graphs, scatterplots, or pie charts.
All terms: Key Concepts
Read about the differences between mean, average, population mean, sample mean.
This handout describes the difference between statistical and common usages of the term "significance" or "significantly different."
This short PowerPoint slideshow is a good orientation to Time Series data. What is it? How is it different from correlation data? Plus it has links to two helpful websites.