A noun refers to a single or a grouping of things, including living things, abstract ideas, concepts, events, qualities, or states of being. However, the noun isn’t a semantically-defined category, since it can’t be defined in terms of its own meaning. It may mean something like ‘a specific thing’, ‘something that is’, or ‘a thing …
Random variables are a type of statistical term that refers to a set of probabilities which depend on the past. These probabilities can be categorized into three main categories, namely, random events, random variables, and random combinations of these. In statistics and probability, a random variable, a non-convex random quantity, random number, or random occurrence, …
In statistical analysis, a frequency distribution is just a set of charts, tables or graphs that shows the distribution of data within a particular sample. Each chart or graph has the frequency or number of occurrences of values in a certain interval or group. The distribution is typically calculated from the data over the time …
Using the Frequency Distribution in the Analysis of Data Read More »
In order for students to learn and advance in math, they need to be capable of writing and reading algebraic expressions, and to understand the mathematical reasoning behind these expressions. For some students, the main problem with learning about algebraic expressions is the process is more of memorizing and following formulas than learning to think …
Angle measurements are the measurement of any line, plane, or curve which has an angle that is greater than 45 degrees. This angle will be known as the “angle” in the description of the angle, but technically it should not be called an angle at all, and it should have no other reference to another …
In language, verb tense refers to a formal category that expresses a point of view on time period using reference to the current moment. Verbs, unlike nouns, can express both tense and mood, or state and effect. Verbs are generally manifested by the presence of certain types of verbs, namely in their conjugating patterns. The …
Many people enter college thinking they are going to study math as a subject. Some never really take the time to learn enough to pass their GED or High School AP Exam. Others never take the time to complete an online program and only know that they need to improve their math skills. Still others …
In probability and statistical analysis, a median is an arbitrary value dividing the extremes of a data collection, such as a probability distribution or population. For a given data set, it can be described as the center point of that data. A median in probability is the middle value between two data sets with the …
Many of the algebraic problems you’ll encounter in your GRE examination involve the use of algebraic operations. It’s a good idea to review basic math concepts before you take this exam. This will help you familiarize yourself with these different operations and also provide you with additional tools that will prove useful in your study …
Math Preparation for the GRE – What You Need to Know Read More »
The best books for GRE preparation can be found online, in magazines, and even in your own library. But what if you cannot find what you need? What do you do then? It is not hard to find the books you want. You just have to take the time to do your research. There are …
