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Descriptive stat
clinical ep.
Question | Answer |
---|---|
Ways of organizing data (e.g. tables, diagrams & graphs) | Descriptive statistics |
Allow conclusions to be derived from the data (e.g. t-test: mean age of onset of a certain disease in males is significantly earlier than femakes) | Inferential statistics |
Describes the location of the center of a distribution of numerical and ordinal measurements | Measures of central tendency |
Statistics that describes the spread of numerical data | Measures of dispersion |
Determines the relative position of a particular value in an array of observations | Measure of location |
Measures central tendency , dispersion & location | Summarizing data |
Value w.c is somewhere near the center of distribution ( Average-typical value, arithmetic & geometric mean, median, mode. | Measures of central tendency |
Exact values of observations are retained | ungrouped data |
if data are cast in a frequency distribution | grouped data |