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Unit 6 Flashcards

Mean the average of a data set; add up all the numbers and divide by the total amount of numbers.
Median the middle number of a data set.
Mode the number that occurs the most in a data set.
Range maximum - minimum.
Best Fit Line line on a scatter-plot showing the direction that the data is heading.
Residual distance in the actual and predicted value; (actual - predicted).
Standard Deviation a measure of how spread out the numbers in a data set are.
Probability of an Event number of ways an event can occur / total number of outcomes.
Bivariate Data data set where there are two variables.
Conditional Probability probability for dependent events where event "A" is dependent or changed by event "B".
P(A) probability that event "A" occurs.
P(A∩B) probability that event "A" and event "B" occur.
P(A∪B) probability that event "A" or event "B" occurs.
P(A|B) probability that event "A" occurs given that event "B" has occurred.
Created by: S730503