Vocabulary for IELTS Academic (Band 8-9) - Maths and Graphs

a measure of the dispersion or spread of a set of data points in statistics, representing the average squared deviation from the mean

a finite sequence of well-defined, mathematical instructions for completing a specific task or solving a problem

the rate at which a function changes with respect to its independent variable

a mathematical quantity obtained by integration, representing accumulation such as the area under a curve

the value that a function or sequence approaches as its input or index gets close to a particular value

a rectangular arrangement of numbers, symbols, or expressions in rows and columns

the branch of mathematics that comprises differentials and integrals

a branch of mathematics that studies and classifies phenomena characterized by sudden shifts in behavior arising from small changes in circumstances

a circular graphic, similar to a pie chart, with a blank center, used to represent proportional data

a graphic representation of the step-by-step sequence of functions in a computer program

a graphical representation using circles (bubbles) to display three dimensions of data: two on the axis and one represented by the bubble size

a statistical measure that divides a dataset into four equal parts, representing points that indicate the distribution of the data

a financial chart used to represent price movements, typically displaying open, high, low, and close values for a specific time period

the non-empty area formed by the intersection of a solid object in three-dimensional space and a plane, or the corresponding concept in higher-dimensional spaces