Fieldwork Flashcards
mean
average where all the values are divided by the amount of values
median
average where it is the middle value
mode
average where it is the most common value
range
average where its the highest value take the smallest
interquartile range
the middle 50% of the data
primary data
data collected ourselves
secondary data
data someone else has collected
qualitative data
data using words - descriptive
quantitative data
data using numbers - numerical
raw data
data that hasn’t been processed for use
random sampling
members of the population have equal chances of being selected
stratified sampling
made up of different subgroups of the population e.g: age groups and the sampling size for each subgroup is proportional
systematic sampling
members from a larger population are selected according to a fixed interval
continuous data
can be measured on a scale and can always be measured more accurately
annotated photographs
photos that have been labelled with key information explaining what t shows