Basic Statistics Vocabulary Review

-graph that summarizes data into 5 measures

• stem and leaf plot

• dot plot

• histogram

• box plot

measure of variability when data is skewed

• interquartile range

• mean absolute deviation

• deviation from the mean

• upper quartile

-measure of variability when data is symmetric

• deviation from the mean

• median

• interquartile range

• mean absolute deviation

A set of closely grouped data is a (a)   .

• Cluster

• Outlier

• Gap

• Correlation

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

• Outlier

• Cluster

• Gap

• Frequency

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