1.1 Flashcards
(7 cards)
statistics
refers to a set of mathematical procedures for organizing, summarizing, and interpreting information.
population/ PARAMETER
is the set of all the individuals of interest in a particular study
-A parameter is a value, usually a numerical value, that describes a population.
sample/STATISTIC
is a set of individuals selected from a population, usually intended to represent the population in a research study
-A statistic is a value, usually a numerical value, that describes a sample.
a variable
is a characteristic or condition that changes or has different values for different individuals
data/datum
data (plural) are measurements or observations. A data set is a collection of measurements or observations. A datum (singular) is a single measurement or observation and is commonly called a score or raw score
descriptive statistic
are statistical procedures used to summarize, organize, and simplify data.
Inferential statistics
consist of techniques that allow us to study samples and then make generalizations about the populations from which they were selected.