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# PACE 5th 6 Weeks

compound probability the probability of two or more events occurring
dependent even events in which the outcome of one event does affect the outcome of the other event or events.
experimental probability the ratio of the number of favorable results to the total number of trials in a probability experiment; is based on what DOES happen in an experiment
independent event two or more events in which the outcome of one event does not affect the outcome of the other event
random an outcome of an event is equally likely to occur compared to another outcome.
sample space the set of all possible outcomes of a probability event
simulation an experiment designed to act out a given situation
theoretical probability the ratio of the number of favorable outcomes to the total number of possible outcomes; is based on what should happen under perfect circumstances
bias a statistical sampling or testing error caused by systematically favoring some outcomes over others
box and whisker plot a diagram that summarizes data using the median, the upper and lower quartiles, and the extreme values.
inference refers to drawing a conclusion from data
outlier a piece or pieces of data that lie out from the rest of the data (high or low) that can skew (affect) the mean; extreme data that is more than 1.5 more times the interquartile range from the upper or lower quartiles
quartile values that divide a set of data into four equal parts
sample randomly selected group chosen for the purpose of collecting data
scatter plot compares two sets of data to see relationships
trend a general direction either upward or downward is called
trend line in a scatterplot, a line that closely fits the data points.
validity in an experiment, there were no biases or unjust sampling when collecting the data
Created by: Robin Greene