Advanced Academic IELTS Words for "Maths and Graphs"

variance

noun

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ɛ

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

Example

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In statistics, variance is a measure of how spread out the values in a data set are around the mean.

The variance of a random variable is the expectation of the squared deviation of that variable from its mean.

Word Family

vary

Verb

variance

Noun

covariance

Noun

covariance

Noun

algorithm

noun

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

Word Family

vary

Verb

variance

Noun

covariance

Noun

covariance

Noun

derivative

noun

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

Word Family

vary

Verb

variance

Noun

covariance

Noun

covariance

Noun

integral

noun

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a mathematical concept representing the total accumulation of a quantity, often represented by the area under a curve on a graph

Word Family

vary

Verb

variance

Noun

covariance

Noun

covariance

Noun

limit

noun

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

Word Family

vary

Verb

variance

Noun

covariance

Noun

covariance

Noun

matrix

noun

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a rectangular array of numbers or symbols organized in rows and columns, commonly used in linear algebra for representing equations, transformations, and vector operations

Word Family

vary

Verb

variance

Noun

covariance

Noun

covariance

Noun

calculus

noun

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the branch of mathematics that comprises differentials and integrals

What is "calculus"?

Calculus is a branch of mathematics that deals with change and motion, focusing on concepts like limits, derivatives, and integrals. It helps to understand how things change over time or how they accumulate, such as in physics or economics. Calculus is essential for solving problems involving rates of change, areas under curves, and optimization.

Word Family

vary

Verb

variance

Noun

covariance

Noun

covariance

Noun

catastrophe theory

noun

/kɐtˈæstɹəfi θˈiəɹi/

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

Grammatical Information:

compound noun

Word Family

vary

Verb

variance

Noun

covariance

Noun

covariance

Noun

quartile

noun

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

Word Family

vary

Verb

variance

Noun

covariance

Noun

covariance

Noun

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