Basic Statistics Terminology Flashcards
numerical facts
statistic
scientific discipline of processing numerical information
statistics
methods concerned with collecting, describing, and analyzing a set of data without drawing conclusions
descriptive statistics
methods concerned with the analysis of a subset of data leading to a conclusion
inferential statistics
collect, organize, present
descriptive statistics
analyze, infer
inferential statistics
a group of data with one common characteristic
population
a representative subset of a population
sample
a numerical measure that describes a characteristic of a population
parameter
a numerical measure that describes a characteristic of a sample
statistic
process of collecting information from a population
census
process of collecting information from a sample
survey
measurable characteristic of a population or sample
variable
2 types of variable
qualitative and quantitative
variable that indicates the kind of characteristic
qualitative
variable that indicates amount of a characteristic
quantitative
quantitative variable that asks how many
discrete
quantitative variable that asks how much
continuous
4 levels of measurement
nominal, ordinal, interval, ratio
level of measurement that consists of names and categories only
nominal
level of measurement that assigns rank
ordinal
level of measurement that with amounts but no absolute zero
interval
level of measurement with amount and absolute zero
ratio
data collected first-hand
primary
