Chapter 1 Statistics Vocabulary

A value much greater or much less than the others in a data set is called (a)   .

• Outlier

• Cluster

• Gap

• Frequency

A graph with points plotted to show a possible relationship between two sets of data.

• Scatter Plot

• Dot Plot

• Line Plot

• Frequency Table

A line on a scatter plot that helps show the correlation between data sets more clearly is called (a)   .

• Trend Line

• Line of Reflection

• Line of Trend Fit

• Frequency

The ratio of a joint relative frequency to a related marginal relative frequency in a two-way table.

• Conditional Relative Frequency

• Joint Relative Frequency

• Marginal Relative Frequency

• Relative Frequency

The number of times the value appears in a data set.

• Frequency

• Joint Relative Frequency

• Marginal Relative Frequency

• Conditional Relative Frequency

The sum of the joint relative frequencies in a row or column of a two-way table.

• Marginal Relative Frequency

• Relative Frequency

• Conditional Relative Frequency

• Joint Relative Frequency

Shows the ratio of the number of data in each category to the total number of data items. The ratio can be expressed as a fraction, decimal or percent.

• Relative Frequency Table

• Conditional Relative Frequency

• Marginal Relative Frequency

• Joint Relative Frequency

A table that displays two-variable data by organizing it into rows and columns.

• Two-Way Table

• Two-Way Relative Frequency Table

• Marginal Relative Frequency

• Conditional Relative Frequency

A straight line that comes closest to the points on a scatter plot is called (a)   .

• Line of Best Fit

• Trend Line

• Frequency

• Correlation

A comparison between two data sets when one set of data values increases while the other decreases is called (a)   .

• Negative Correlation

• Positive Correlation

• No Correlation

• Trend