COMM 291 Lecture Notes - Lecture 4: Marginal Distribution, Frequency Distribution
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Inf marginal distribution: shows conditional distributions aka distribution of one variable for only the cases that satisfy a condition on another o. 45 successful treatments: marginal distribution shows frequency distribution of one variable aka row total and column total o. Independent when distribution of one variable is the same for all categories of another variable to aka no association between the. 90% of their smartphones . we want to say store. B is better at selling because of the higher percentage , but selling smartphones is easier than computers.
