ACT Matematică și Evaluare - Aritmetică și statistică
Aici veți învăța câteva cuvinte în limba engleză legate de aritmetică și statistică, cum ar fi „estimate”, „median”, „divisible”, etc., care vă vor ajuta să vă obțineți ACT-urile.
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any number without fractions or decimals, including positive numbers, negative numbers, and zero
număr întreg
(mathematics) a number less than one, called a fraction, that is represented as a period followed by the number of tenths, hundredths, etc.
zecimal
(mathematics) the average value of a set of quantities calculated by adding them, and dividing them by the total number of the quantities
medie
calculated by adding a set of numbers together and dividing this amount by the total number of amounts in that set
mediu
a combination of a whole number and a proper fraction
număr mixt
a number greater than 1 with only two devisors which can be itself or 1
număr prim
a number that can be expressed as the fraction of two integers
număr rațional
a number incapable of being expressed as a ratio of two integers
număr irațional
a number that has both a real part and a part involving a unit that, when squared, gives a negative result
număr complex
any number that can be found on the number line, including both positive and negative numbers, zero, and fractions
număr real
any positive number without fractions or decimals, including zero
număr întreg
a value that, when multiplied by itself a specified number of times, results in the given number
rădăcină
the difference between the highest and lowest values in a set of numbers
interval
the result of multiplying two or more numbers or quantities together
produs
(mathematics) one of the numbers that another number can be divided by
factor
a statement that compares two quantities, expressions, or values and indicates their relative sizes
inegalitate
(mathematics) a statement indicating the equality between two values
ecuație
a mathematical expression where a number is multiplied by itself a certain number of times determined by a variable
exponențială
a sequence of numbers in which the difference between any two consecutive terms is constant
șir aritmetic
having the quality of being divided, especially by a number
divizibil
a fraction where the the top number is greater than or equal to the equal to the bottom number
fracție inadecvată
the result obtained by dividing one quantity or number by another, expressed as the outcome of a division operation
cocient
a number that is a multiple of two or more given numbers
multiplu comun
a number that divides exactly into two or more given numbers without leaving a remainder
factor comun
(mathematics) a number divisible by all the numbers that are below the line in a set of fractions
numitor comun
the smallest positive integer that is a common multiple of the denominators of two or more fractions
cel mai mic multiplu comun
(mathematics) a number representing the chances of something specific happening
probabilitate
a statistical measure that represents the middle value of a data set when the values are arranged in ascending or descending order
mediana
having or involving two distinct modes, peaks, or most frequent values
bimodal
to guess the value, number, quantity, size, etc. of something without exact calculation
estima
the number of times a particular event occurs within a specific period or among a set of observations
frecvență
(statistics) the way statistical data are arranged that shows the frequency in which the values of a variable are repeated
distribuție
a measure of how much the values in a set typically differ from the average
deviație standard
the range within which the true value is expected to fall, accounting for potential inaccuracies in measurement or sampling
marja de eroare
occurring in such a way that each possible outcome has a certain probability of occurring, but the specific outcome cannot be predicted with certainty
aleatoriu
a straight line drawn through a set of data points on a graph to represent the general direction or pattern of the data
linie de tendință
a type of statistical chart consisting of dots that represent individual data points
diagram cu puncte
a mathematical representation that describes the relationship between two or more variables using a linear equation
model liniar