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SAT: Quantitative Evidence Glossary

10 essential terms — because precise language is the foundation of clear thinking in SAT: Quantitative Evidence.

Showing 10 of 10 terms

A chart that uses rectangular bars of varying lengths to compare values across categories. Bars can be vertical or horizontal.

Related:grouped bar chartstacked bar chartchart

A third variable that influences both the independent and dependent variables, creating a misleading appearance of a direct relationship between them.

Related:correlation vs causationbiascontrol group

A statistical relationship between two variables that change together. Positive correlation means both increase; negative correlation means one increases as the other decreases.

Related:causationrelationshipscatter plot

A grid of rows and columns that presents precise numerical values organized by category and variable.

Related:rowcolumncell

A chart that uses points connected by lines to show how a variable changes over time. Useful for identifying trends, plateaus, and fluctuations.

Related:trendtime seriesaxis

A data point that is significantly different from the other values in a dataset. Outliers may indicate errors, unusual cases, or external factors.

Related:anomalytrend linescatter plot

A circular chart divided into slices that represent proportions of a whole. Each slice shows a category's percentage contribution.

Related:proportionpercentagewhole

A chart that plots individual data points on two axes to show the relationship between two variables. Often includes a trend line.

Related:correlationtrend lineoutlier

A distortion that occurs when the participants in a study are not representative of the population, often because they self-selected into the study.

Related:biassamplegeneralizability

The general direction of change in data over time: upward (increasing), downward (decreasing), or flat (stable).

Related:patterndirectionline graph
SAT: Quantitative Evidence Glossary - Key Terms & Definitions | PiqCue