# discrete variable meaning

They come in two different flavors: discrete and continuous, depending on the type of outcomes that are possible: Discrete random variables. For these problems, let X be the number of classes taken by a college student in a semester. Sometimes, a variable that takes on enough discrete values can be considered to be continuous for practical purposes. Use the formula for the mean of a discrete random variable X to answer the following problems: Sample questions If 40% […] The mean of discrete random variable (Expected Value) Question 3: “What is the mean of crew size?” The calculation of the mean of discrete random variable can be quite tricky as it can always be confused with the population mean which should only be applicable to a population but not to a discrete variable based on a random phenomenon/experiment.. Define discrete variable. Discrete Variable. If the possible outcomes of a random variable can be listed out using a finite (or countably infinite) set of single numbers (for example, {0, […] Variables can also be categorized into separable families, and in that case, a discrete variable is one such variable which is why it is also referred to as a categorical variable. For example, the length of a part or the date and time a payment is received. Some quantitative variables are discrete, such as performance rated as 1,2,3,4, or 5, or temperature rounded to the nearest degree. discrete variable (plural discrete variables) A variable that takes values from a finite or countable set, such as the number of legs of an animal. In statistics, numerical random variables represent counts and measurements. n. A variable that assumes only values in a discrete set, such as the integers. Meaning of discrete variable. What does discrete variable mean? If you have a discrete variable and you want to include it in a Regression or ANOVA model, you can decide whether to treat it as a continuous predictor (covariate) or categorical predictor (factor). discrete variable synonyms, discrete variable pronunciation, discrete variable translation, English dictionary definition of discrete variable. Another distinguishing feature of a discrete variable is that it is a whole value meaning that there can’t be another value between any two categories of its value. A continuous variable can be numeric or date/time. continuous variable… Variables that can only take on a finite number of values are called "discrete variables." All qualitative variables are discrete. Coordinate terms . When working with random variables, you need to be able to calculate and interpret the mean. Definition of discrete variable in the Definitions.net dictionary. Information and translations of discrete variable in the most comprehensive dictionary definitions resource on the web.