understanding data Flashcards
types of data
structured and unstructured
3 measures for central tendency
mean median mode
measures of variability
range variance std deviation
ICT
information and communication tech
_ is a way to to represent data in memory
data structure
the usage of _ data helps to save both time and money in data collection
secondary
once a question is ready, it is advisable that a _ survey of the questionnaire is conducted with a _ group
pilot, small
the difference between sampling estimate and the corresponding parameter is/is not a type of sampling error
is not
in terms of spatial classification, data is classified on basis of
geographical location
_ is a comprehensive method that helps in classification of raw data
frequency distribution
the _ class intervals are used on a frequent basis in the case of continuous variables
inclusive
data visualisation is also an element of the broader
data presentation architecture