pebble roundness data analysis Flashcards Preview

A2 Geographical Skills > pebble roundness data analysis > Flashcards

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
  1. 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