Sampling Flashcards
1
Q
Stratified sampling
A
Used to pick location by stream order
Data would have changed significantly
3 orders of stream within 5.5km
2
Q
Systematic sampling
A
Used at each location to find sites at 10m intervals
5 sites at each location which reduces chance of outliers and allows use of Spearmans Rank
Reduces human bias
3
Q
Random
A
No pattern to collecting data
Did not use because I needed to collect data from different parts of the rivers course
4
Q
Sample size
A
15 sets
Needed 12 for Spearman’s Rank
