Fieldwork quiz

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  • Created by: Aman
  • Created on: 12-05-15 11:09

1. Which one of the following describes stratified sampling?

  • Data divided into characteristics of choice i.e. Every blue flower
  • Data with consistent increments i.e. every 10 metres
  • All data has the same possibility of being chosen
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Other questions in this quiz

2. What is the formula for Identifying the Hydraulic Radius/HR?

  • HR = Cross Sectional Area/Wetted Perimeter
  • HR = Wetted Area X Cross Sectional Area X 3.147/Pi
  • HR = Cross sectional Area X Wetted perimeter
  • HR = Wetted Perimeter/Cross Sectional Area

3. What secondary data was sought out during the fieldwork?

  • Geographical textbooks; to identify theory behind the results of the fieldwork
  • Previous fieldwork data; to plot scattergraphs to show impact of river over time
  • Google maps; to show visual images of sections of the river that we didn't look at
  • Webpages; to identify whether any chemicals were present in the river

4. What conclusion can be drawn if the 90% confidence level is not greater than the spearmans rank value?

  • All of the above
  • The initial hypothesis can be accepted
  • A null hypothesis must be accepted
  • The results are of greater confidence than 90%

5. Which one of these is not a true aspect of the Bradshaw model?

  • Gradient decreases as you go downstream
  • Channel width decreases as you go downstream
  • Velocity and discharge increase as you go downstream
  • Particle size decreases as you go downstream

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