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posted by Kenny O'Donnell @ 9:58 am
Expand more on why we would use certain methods rather than just saying methods we would use. EW
How would you do that, E?
This is what we could of said when asked to explain further on the standard deviation:We use standard deviation It is more accurate than the range and inter quartile range. It takes into account all values and is not affected by extreme values. It also measures the dispersion of figures around the mean.RM
For the reasons for using the systematic sampling you could say that it would allow a full picture of the whole transect to be seen allowing a fairer comparison of the differences in land use to be drawn. For aquiring data, any green land in the area being sampled could be measured and then the area could be worked out so that the percentage of the sample point used for green space could be analysed. RW
See also for the age of the buildings, I am unsure how you would actually measure that? Like I don't really understand how you would be able to tell? Because I was thinking you could go on the condition of the building but then it could be possible that it is just badly weathered and is in fact older than a building more sheltered. RW
Good question, R. You can tell building age by type and style. For instance, tenement housing/ large sandstone properties likely to be late 19th/ early 20th century. If you were doing this type of fieldwork, it would be useful to source an age exemplar, something a student of mine doing an urban land use study for AH did a couple of years back. Great depth in your comments, and exactly the kind of thing you need to be able to offer in your exam and Geographical Study :-)
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