Maths and Graphs: English Vocabulary List

an ordered set of numbers that describes both magnitude and direction, commonly used to represent quantities like displacement, velocity, or force in physics and engineering

"The vector points north."

"In physics, a velocity vector indicates both the speed and the direction of an object's motion."

(mathematics) a quantity whose value changes according to another quantity's varying value

"A function changes value."

"The function of this new software is to automatically organize and categorize all incoming emails."

a mathematical representation of the sum of the terms of a sequence, often denoted by the symbol Σ (sigma), where the terms are added together in a specified order

"This is a number series."

"The mathematician analyzed the infinite series to determine its convergence or divergence."

a set of real numbers that includes all the numbers between any two specified numbers within the set

"The interval is wide."

"The temperature remained within a narrow interval between 20 and 22 degrees Celsius throughout the day."

a framework of spaced lines, horizontal and vertical, used as a reference for plotting points

"Plot it on the grid."

"The cartographer used a grid system on the map to precisely locate geographical features and landmarks."

a statistical measure that represents the middle value of a data set when the values are arranged in ascending or descending order

"The median score was seventy."

"The median income in the neighborhood has risen significantly over the past five years."

the value that appears most frequently in a data set

"Mode is most frequent."

"In the dataset of shoe sizes, the mode was size 9, as it was the most common size sold."

(statistics) an arrangement of values of a variable showing how often each occurs, either observed or theoretical

"The distribution is normal."

"The statistical distribution shows a clear clustering of data points around the average value."

(mathematics) the average value of a set of quantities calculated by adding them, and dividing them by the total number of the quantities

"Calculate the mean score."

"The mean score for the class on the exam was 85%, indicating a generally good understanding of the material."

a grouping or concentration of data points in a specific region, often used in statistics and data analysis to describe a set of values that are close to each other

"A cluster of data points appeared."

"The statistical analysis revealed a distinct cluster of similar customer behaviors within the dataset."

a portion of a circle, defined by an arc and the two radii that connect the arc's endpoints to the circle's center

"A sector is part circle."

"The pie chart was divided into several distinct sectors, each representing a different category of expenditure."

the result of dividing one number, quantity, or expression by another

"The ratio compares two numbers."

"The ratio of students to teachers in this school is much lower than in most public institutions."