Exam code: 4GE1
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Define primary data.
Data that is collected by the student completing the fieldwork.

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Define secondary data.
All information that is not collected by the student completing the study.
Which type of graph is best for showing a river channel cross-section?
A line graph.
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Define primary data.
Data that is collected by the student completing the fieldwork.
Define secondary data.
All information that is not collected by the student completing the study.
Which type of graph is best for showing a river channel cross-section?
A line graph.
Which type of graph is used to compare different sites?
A bar graph.
Which graph shows the relationship between two sets of data, such as river width and discharge?
A scattergraph.
River discharge data used as secondary data can be obtained from the ______.
River discharge data used as secondary data can be obtained from the Environment Agency.
Weather data for a river enquiry can be obtained from the ______.
Weather data for a river enquiry can be obtained from the Meteorological Office (Met Office).
Why are Ordnance Survey maps useful as secondary data in a river enquiry?
They enable the identification of sample site locations.
True or False?
River width, depth and velocity data is qualitative.
False.
Width, depth and velocity data is quantitative and is analysed using statistical methods.
Which statistical method is mainly used to analyse river depth or velocity data?
The mean.
How is the mean of a data set calculated?
Add all the values together, then divide by the number of values in the data set.
Are photographs and field sketches a quantitative or qualitative analysis method?
Qualitative analysis.
What should a fieldwork conclusion state about the hypothesis?
Whether the hypothesis has been proved or disproved.
Define anomaly in fieldwork data.
A result that does not fit the pattern of the other measurements, which may occur naturally or result from incorrect recording or human error.
The final stage of the river enquiry is the ______, where you note how successful the investigation was.
The final stage of the river enquiry is the evaluation, where you note how successful the investigation was.
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