Criado por andreaarose
mais de 10 anos atrás
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Questão | Responda |
Frequency table | Lists the categories in a categorical variable and gives the count of observations for each category. |
Distribution | The distribution of a variable gives the possible values of the variable and the relative frequency of each value. |
Area principle | Each data value should be represented by the same amount of data. |
Bar chart | Show a bar whose area represents the count of observations for each category of a categorical variable. |
Pie chart | Show how a whole divides into categories by showing wedges of the circle. |
Contingency table | Displays counts of individuals falling into named categories on two or more variables. Used to reveal possible patterns. |
Marginal distribution | The distribution of either variable alone. |
Conditional distribution | The distribution considering only a smaller group of individuals. |
Independence | Variables are independent if the conditional distribution of one variable is the same for each category of the other. |
Segmented bar chart | Displays the conditional distribution of a categorical variable within each category. |
Simpson's paradox | Relationships taken within different groups can appear to contradict relationships among the grand proportions. |
Relative distribution | The proportion (frequency) divided by the total count. |
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