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PARAMETER- number that describes a population (population parameter) ALL
STATISTIC- number that describes a sample (sample statistic)
QUANTITATIVE-numerical (UNITS!)
QUALITATIVE-categorical or attribute (labels can be numbers)
DISCRETE-finite (kinda), quantitative
CONTINUOUS-infinite (counting all the numbers btwn 0 and 1... &Run by Sir Sly), can be any value on an interval
big data-so fucking big you can't use normal software (lol @gov)
data science-applications of statistics, computer science and other fields
missing data- is it random or consistent??? (consistent=bias)
levels of measurement
RATIO- uh its a ratio?
--heights (0 is nothing and 180 is 2 times 90), age
INTERVAL-differences, ratios don't make sense, can't be zero
--temperatures, years (lol @jesus he doesn't count for 0)
ORDINAL-in order, differences don't make sense
--letter grades (A to F), level of satisfaction survey
NOMINAL-categories, can't be in order
--names, eye color, makes of computers
ratio vs. interval
-does twice make sense? ratio
-is a value of zero a true zero/is a value of zero arbitrary? ratio/interval
big data and missing data
-missing data
--delete subjects with missing values
--make up reasonable a reasonable value (mean?)
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