In statistics and probability, a random variable, stochastic, random variable, or aleatory variable is defined informally as an object that depends on random results of a random event. The most formal mathematical definition of random variables is in statistical probability. A random variable consists of a probability distribution and a set of independent and dependent […]

In geometry, the equilateral is simply a rectangle with all four sides equal to an angle equal to ninety degrees. In the more familiar geometrical geometry, an equivalent of this shape is equiangular, which is the converse of equilateral; in this shape, the angles on the sides do not all point in the same direction

It is common knowledge that many people have problems solving linear and quadratic equations. In fact, these problems are so hard to solve that they make some people give up. For this reason, it is very important to learn how to solve these equations in order to achieve the maximum benefits from them. One of

A relation is an ordered set of two or more terms with functions, each having a single input and output. It can be viewed as representing the relationship between input and output, with each term being dependent on the other. While, a relation represents a relationship that derives a single output for every single input,

Interpretation of data: The good, the bad and the ugly We’ve all heard the stories of the data that was misinterpreted and how people were hurt by it. In this article, we’ll try to go over what it means to interpret your own data, whether it’s from a spreadsheet or from your web application, and

The GRE subject tests are proficiency tests which to gauge your ability to learn in a specific subject. In the past, this test has been known as the GRE, but it is now recognized as the Graduate Management Admission Test (GMAT). You need to understand how the subject test works in order to understand why

In basic grammar, verb tense is a particular class that expresses tense reference in relation to the time of action. Tenses are typically manifested by the use of certain types of verbs, especially in their conjugation structures. Each type of verb has its own set of rules regarding the tense and usage of the form,

English Literature is a broad genre of literary writing that spans from Shakespeare’s era to the present day. The word ‘literature’ has come to mean several things to different people. But in general, it refers to the written works written by famous poets throughout the history of England. Today, a wide variety of literature is

What is standard deviation? Basically, standard deviation measures the difference between the actual value and the expected value, which is the difference between the actual value and the predicted value. In a sample of random numbers, what you see as the average value is actually the middle value of the random numbers, the median value,

For some, solving equations with formulas is just not enough. They want to learn to solve equations by hand. Some even like to practice solving equations on paper before they try to use a formula. Here are some ideas for you to consider when setting up equations for solving the same. You may have heard