Matematică și Logică SAT - Aritmetică și statistică

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

Numar rational

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

numar real

any positive number without fractions or decimals, including zero

număr întreg

any number without fractions or decimals, including positive numbers, negative numbers, and zero

întreg

a part of a whole number, such as ½

fracție (matematică)

(mathematics) a number less than one, called a fraction, that is represented as a period followed by the number of tenths, hundredths, etc.

fracţie zecimală

a fraction where the the top number is greater than or equal to the equal to the bottom number

fracție improprie

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

having the quality of being divided, especially by a number

divizibil

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

gamă

the second exponent of any given number produced when multiplied by itself

pătrat

calculated by adding a set of numbers together and dividing this amount by the total number of amounts in that set

medie matematică

a correct answer to a problem in mathematics or a puzzle

soluţie

the result of multiplying two or more numbers or quantities together

produs

the result obtained by dividing one quantity or number by another, expressed as the outcome of a division operation

coeficient

(mathematics) one of the numbers that another number can be divided by

factor (matematică)

(mathematics) an amount that is shown by a sign or letter

valoare (matematică)

a statement that compares two quantities, expressions, or values and indicates their relative sizes

inegalitate

(mathematics) a statement indicating the equality between two values

ecuaţie

the lowest amount, degree, or extent there is or is possible, allowed or required

minimum

a mathematical expression where a number is multiplied by itself a certain number of times determined by a variable

exponenţială

related to equations that create straight lines when graphed, indicating a constant rate of change

ecuație liniară

the constant ratio between consecutive terms

raport comun

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 numitor comun

(mathematics) a number representing the chances of something specific happening

probabilitate (matematică)

to guess the value, number, quantity, size, etc. of something without exact calculation

estimarea a ceva

a sequence of numbers in which the difference between any two consecutive terms is constant

succesiune aritmetică

the number of times a particular event occurs within a specific period or among a set of observations

frecvenţă

(statistics) the way statistical data are arranged that shows the frequency in which the values of a variable are repeated

distribuire

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

mediană

the value that appears most frequently in a data set

mod

having or involving two distinct modes, peaks, or most frequent values

bimodal

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

grafic cu puncte

a mathematical representation that describes the relationship between two or more variables using a linear equation

model liniar