online 1 Flashcards
what’s true value
known and accepted value
whats measured value
measurement of a quantifiable property (eg satellite)
what is precision
when you get similar information but is not correct
what ps accuracy
average is correct but individually not
whats random errors
unknown and unpredictable errors
what is systematic errors
errors that are reproducible
how can systematic errors be reduced
making controlled methodological adjustments
how can random errors be reduced
taking larger sample size and statistical averaging
what is accuracy linked to
scale
easier to hit something large compared to something small
does large scale map cover smaller or larger areas
small
does small scale map cover a small large area
large
which has more detail small or large scale map ps
large scale maps
which is large scale map 1:50,000 or 1:1000
1:1000
what oss operation scale
spatial extant to which a phenomenon operates
how to calculate map scale
map scale = map distance/ground distance
