What is distribution function?

Thread starter Shackleford
Start date Feb 18, 2011
Tags

Distribution Distribution function Function

In summary, the distribution function is a mathematical function used to describe the probability of specific values occurring in a dataset. It is important for understanding data patterns and making predictions. There are various types of distributions, each with its own corresponding distribution function. The calculation of the distribution function depends on the type of distribution, with continuous distributions requiring integration and discrete distributions requiring summation. The relationship between the distribution function and the cumulative distribution function is that the CDF is the integral of the distribution function and can be used to calculate the probability of values falling within a specific range.

Feb 18, 2011

Shackleford

http://i111.photobucket.com/albums/n149/camarolt4z28/Untitled.png?t=1298077701

Oops. Nevermind. It is in the family.

I think the rest of my work is correct.

http://i111.photobucket.com/albums/n149/camarolt4z28/IMG_20110218_190456.jpg?t=1298077991

Last edited by a moderator: May 5, 2017

Physics news on Phys.org

Feb 21, 2011

Shackleford

Actually, I don't think W is a valid Random Variable. There's no element in S that gives W(s) less than or equal to -1.

Related to What is distribution function?

What is the distribution function?

The distribution function, also known as the probability distribution function, is a mathematical function that describes the probability of a specific value or range of values occurring in a given dataset. It is used to illustrate the distribution of data and can be represented graphically as a probability density curve.

Why is the distribution function important?

The distribution function is important because it allows scientists to understand the characteristics and patterns of a dataset. It provides information about the likelihood of certain values occurring, which can help in making predictions and drawing conclusions.

What types of distributions are there?

There are several types of distributions, including normal, binomial, exponential, and Poisson distributions. Each type represents a different pattern of data and has its own corresponding distribution function.

How is the distribution function calculated?

The calculation of the distribution function depends on the type of distribution being analyzed. For continuous distributions, the function is calculated by integrating the probability density function. For discrete distributions, it is calculated by summing the probabilities of each possible outcome.

What is the relationship between the distribution function and the cumulative distribution function?

The cumulative distribution function (CDF) is the integral of the probability density function and represents the probability of a value being less than or equal to a certain value. It is the integral of the distribution function and can be used to calculate the probability of a value falling within a specific range.