Flashcards in pebble roundness data analysis Deck (7)
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1
Q
what was trend for pebble roundness
A
fluctuation no sorting
2
Q
what was the roundness range
A
3.7-5.6
3
Q
anomalies
A
- 7 at 200m
3. 8 at 700m
4
Q
how could these anomalies be human error?
A
researchers new to method
no previous standardisation of powers scale
5
Q
how could roundness scale be improved
A
could use callieux scale but too complicated
6
Q
coefficient of determination for peeble roundness
A
0.3 no correlation
7
Q
how does roundness relate to the hypothesis
A
contradicts hypothesis -
looks like a bar