Key concepts- information sheets for teachers
This handout explains the differences and similarities between bar graphs and histograms.
All terms: 6-8, Describing Variability, Comparing Groups, 9+, Time Series, Key Concepts
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?
All terms: 6-8, Describing Variability, 9+, Key Concepts
Need help sorting out the various types of frequency plots? Read this file!
All terms: 6-8, Describing Variability, Comparing Groups, 9+, Key Concepts
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.
All terms: 6-8, Describing Variability, Comparing Groups, 9+, Key Concepts
This handout describes the difference between statistical and common usages of the term "significance" or "significantly different."
All terms: 6-8, Describing Variability, Correlations, 9+, Key Concepts
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.
All terms: 6-8, Life Science, 9+, Time Series, Key Concepts, Physical Science, Earth Science, Other
Variability is an important statistical concept and there are many terms and methods for describing the differences and variation we see among many things.
All terms: 6-8, Describing Variability, Comparing Groups, Correlations, 9+, Key Concepts
