# IB Biology Practical Investigations/Statistics

## TEACHING IDEASEdit

*Practical investigations or activities included in this section are intended as a teaching resource rather than an assessment tool. Although all practical hours recorded may be counted on the form 4/PSOW, these activities are probably not suitable for assessment of the IA criteria.*

**BASIC STATISTICS**

Types of Data

- Discrete and Continuous Data
- Mean, Median and Mode
- Standard Deviation

Graphs and Charts

- Axes and labelling
- Choosing the right graph
- Interpreting Graphs
- Distribution
- Error Bars
- Correlation and Causality

Statistical Tests

- The T-test
- Correlations

**EXTRA STATS FOR ECOLOGISTS**

It's not all just chucking quadrats about and wearing wellies...

- Simpson's Diversity Index
- Correlation

**BAD SCIENCE AND THEORY OF KNOWLEDGE**

Statistics in Science are abused on a daily basis to knowingly or otherwise misrepresent scientific data. How can students use their new-found statistical skills to see past the smoke and mirrors?

- Bad Science
- Common Errors in Statistics

## RECOMMENDED TEXTS: STATISTICSEdit

- How to Lie With Statistics. Huff, D. W.W. Norton and Co, 1954. ISBN 0 3933 1072 8

## RECOMMENDED WEBSITESEdit

- WikiBook Statistics

- BadScience - a collection of articles from Ben Goldacre at the Guardian newspaper.