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# Chapter 12 - 8th

### Chapter 12 - 8th grade math algebra

sample space The list of all possible outcomes
event Any collection of one or more outcomes in the sample space
factorial The expression n! Where n is greater than zero and is the beginning to counting backward to 1 and muliplying
permutation An arrangement or listing in which order is important
combination An arrangement or listing in which order is not important
compound event Two or more single events
independent event When the outcome of one event does not affect the outcome of the other
dependent event When the outcome of one event affects the outcome of the other events
complements One of two parts of a probability making a whole
mutually exclusive Events that cannot occur at the same time
theoretical probability What should happen in a probability experiment
experimental probability What actually happens in a probability experiment
relative frequency The number of times an outcome occurred in a probability experiment
empirical study Performing an experiment repeatedly, collecting and combining datat, and analyzing the results
simulation Using an object to act out an event that would be difficult or impractical to perform
inclusive Two events that can occur at the same time
biased sample A sample in which one or more parts of the population are favored over others
convenience sample A sample that includes members of the population that are easily accessed
population The entire aggregation of items from which samples can be drawn
random sample A sample in which every element in the population has an equal chance of being selected
simple random sample Sample of which each group member has an equal chance of being chosen
stratified random sample The population is divided into categories and a random sample drawn from each of the categories.
systematic random sample A sample in which the items in the sample are selected according to specified time or item interval
voluntary response sample A sample that involves only those who want to participate
Created by: mlacelle