inferetial statistics
is a branch of statistics that draw conclusions about a population
Statistics
Collection of methods for planning experiments, obtaining data, organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on data.
Data
Facts and statistics collected together for reference or analysis
Population
whole collection
smaple
small group of individuals from the population
Parameter
(n.) a determining or characteristic element; a factor that shapes the total outcome; a limit, boundary
statistic
a number that describes a sample
descriptive statistics
numerical data used to measure and describe characteristics of groups. Includes measures of central tendency and measures of variation.