Intro to Stats Flashcards
what is a population?
group of people/things that can be defined according to a criterion/set of criteria
what is a sample?
subset/part of a population
what is parameter?
never changing (numerical) description of a measurable population characteristic
what are descriptive stats?
summarize and describe either characteristics of / relationships among variables in a sample
what are inferential stats?
make conclusions about larger populations from which those observations were drawn
what are continuous variables?
variables that can take on any value within a specific range (measured)
what are discrete variables?
variables that can take on certain values, there are gaps between values (counted)
what are the 3 ways people lie with stats?
- selective use of evidence
- making #s up
- biased samples