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Statistics: Analyzing Data and Probability Day 5
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Vocabulary Statistics
Random Sample- a sample in which every element in the population has an equal chance of being selected. Population- the entire group considered for a survey Biased sample- does not represent the whole population Mean- the sum of the values divided by the number of values MAD(mean absolute deviation)- the average distance of each data point from the mean *Also know median, mode, and range
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Statistics Examples Calculate the Mean and Range
Analyze dot plots and box-and-whisker plots Extra Study Resources: Statistic Quiz and Handouts
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Probability Vocabulary
Probability: the likelihood of an event happening Outcome: one of the possible results of an experiment Certain: 1.0, 100%, probability of an event definitely happening Impossible: 0, probability of an event definitely NOT happening * Also remember likely, equally likely, and unlikely Experimental probability: the probability of an event based on the RESULTS Theoretical probability: what is expected to happen in an experiment Sample Space: the set of all possible outcomes for an experiment Compound probability: an event that consists of two or more sample events * Also remember dependent and independent events Tree diagram: a visual model that shows all possible outcomes
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Probability Examples Random sample vs biased sample Certain, impossible, likely, unlikely, equally as likely Experimental probability vs theoretical probability Using probability to make predictions Tree diagrams Extra Study Resources: IP: , Common Assessment, Study Guide
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Name:________________ Date:_________________ Class Period:___________
Statistics Probability Review
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