Unit 7 Vocabulary Quiz

1. An association is the general pattern, trend, or relationship in data and it describes how strongly two variables are related.2. Bivariate data is data involving 2 variables.3. Categorical data is data that can be divided into groups.4. A correlation describes the relationship (if any) in the data.5. A cluster is a set of data points that are in close proximity of each other.6. Joint frequencies are the data found in the body of the table and they represent data from TWO categorical variables.7. The line of best fit is a straight line drawn through the center of a group of data points plotted on a scatter plot.8. Marginal frequencies are the data found in the margins of the table and they represent data for ONE categorical variable.9. Numerical data is data that is measurable.10. A(n) outlier is a piece of data that lies outside most of the other pieces of data.11. Relative frequency is when the data in a two-way frequency table is shown as percentages, ratios, or decimals.12. A(n) scatter plot is graph of plotted points that shows the relationship between numerical bivariate data.13. A two-way frequency table is a way to show the relationship between categorical bivariate data.