Purpose: To demonstrate the value in sample size when conducting quantitative analysis.
Procedure:
You will be working in groups of two. (There will be four groups of four.)
Go to your assigned area on the hillside and mark off a 0.50m square area. Note the following:
How many different species of plant are in your square?
How many samples of each plant are in your square?
How many total plants are in your square?
Upload your data here.
- Describe your method for conducting the 'census.'
- How did you use the people on your group?
- What is Selection Bias? How do you think it applied to this lab?
- How did the size of the plants affect your sample size?
- How many sample sites should be enough?
- How do you account for obstacles lock rocks and trails?
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