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what is a continuous variable
For example, the length of a part or the date and time a payment is received. If it can take on a value such that there is a non-infinitesimal gap on each side of it containing no values that the variable can take on, then it is discrete around that value. If it can take on two particular real values such that it can also take on all real values between them (even values that are arbitrarily close together), the variable is continuous in that interval. A continuous variable is any variable that can be any value in a certain range. A continuous variable is one which can take on an uncountable set of values.. For example, a variable over a non-empty range of the real numbers is continuous, if it can take on any value in that range. Continuous Variables would (literally) take forever to count. During an experiment, the scientist often wants to observe the results of changing one variable. is infinite and uncountable. If height were being measured though, the variables would be continuous as there are an unlimited number of possibilities even if only looking at between 1 and 1.1 meters. As shown above, there cannot be a continuous scale of children within a family. Continuous random variables describe outcomes in probabilistic situations where the possible values some quantity can take form a continuum, which is often (but not always) the entire set of real numbers R \mathbb{R} R.They are the generalization of discrete random variables to uncountably infinite sets of possible outcomes.. CONTINUOUS VARIABLE. and . The number of permitted values is either finite or countably infinite. Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=Continuous_or_discrete_variable&oldid=968335595#Continuous_variable, Articles needing additional references from November 2015, All articles needing additional references, Creative Commons Attribution-ShareAlike License, This page was last edited on 18 July 2020, at 18:57. The opposite of a variable is a constant. A continuous variable is one which can take on an uncountable set of values. CVTs have been used in passenger cars since 1989, but if you haven’t been car shopping in several years, a CVT may be new to you. For example, when flipping a coin, it can land either on heads or tails. Variables can be grouped as either discrete or continuous variables. To make measurements that can be repeated, the independent variable is likely to be a discrete variable, such as one hour, two hours, or three hours of light. , Some examples will clarify the difference between discrete and continuous variables. this article gave me lots of understanding on the subject matter! Variable is a term used to describe something that can be measured and can also vary. Both discrete and continuous variables can take on one of two roles in a scientific experiment. This type of variable can only be certain specific values. and Because it would literally take forever. A continuous variable is defined as a variable which can take an uncountable set of values or infinite set of values. You can’t count “age”. As the amount the plant grows can be an infinite number of results, it is a dependent continuous variable. A growing number of cars and sport utility vehicles now come with a continuously variable transmission (CVT) instead of a conventional automatic. A continuous variable can take any values. b These values may be qualitative (colour, gender, favourite singer etc) or quantitative. A continuous variable can be numeric or date/time. Think of it like this: If that number in the variable can keep counting, then its a continuous variable. For instance, if a variable over a non-empty range of the real numbers is continuous, then it can take on any value in that range. For example, you could be: 25 years, 10 months, 2 days, 5 hours, 4 seconds, 4 milliseconds, 8 nanoseconds, 99 picosends…and so on. For example, a random variable measuring the time taken for something to be done is continuous since there are an infinite number of possible times that can be taken.
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