Statistics

Population

________: all individuals of interest to a study.

SS

________: sum of squared deviations.

Variability

________: how scattered the scores are around the central point.

Inferential statistics

________: generalizing beyond experimental measures.

Degrees of freedom

________: number of scores free to vary.

Descriptive statistics

________: ways to describe larger amounts of data (graphs, tables)

descriptive statistics

ways to describe larger amounts of data (graphs, tables)

inferential statistics

generalizing beyond experimental measures

population

all individuals of interest to a study

sample

a representative set of individuals from pop

independent variable

experimenter changes

dependent variable

experimenter measures

central tendencies

central point of distribution

variability

how scattered the scores are around the central point

variance

sd^2

SS

sum of squared deviations

degrees of freedom

number of scores free to vary

sample variance

ss / n-1

population variance

ss / n