The level at which data is exact and free from error
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Qualitative
Data is a subjective description in words which varies depending on who is recording it, for example a description of housing quality
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Isopleths
A line joining points of equal value, for example a contour line
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Chloropleths
Density maps where the areas are shaded in to represent the average number per unit area
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Trip Line
A straight line joining the origin of a journey to its destination
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SMART
The criteria by which you can test the successfulness of a title for investigation
Simple
Measurable
Achievable
Realistic
Timed
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Reliability
The extent to which sample data reflects the greater whole
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Hypothesis
A proposition as a provisional assumption to guide an investigation
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Secondary Data
Information which is derived from published documentary sources that has been analysed
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Quantitative
Data that is statistical data which consists of numbers. It is objective and should be value free
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Random sampling
Method of sampling in which all the elements of data have an equal chance of selection
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Pragmatic sampling
Method of sampling in which the samples are chosen from those that are easily and safely available
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Reconnaissance
An examination or survey of the general geological characteristics of a region
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Primary data
Unprocessed information which means information collected through fieldwork investigation or material derived from other sources that has not been analysed and/or interpreted in any way
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