Mesokurtosis is a statistical measure of the degree of peakedness of a distribution. It is calculated as the difference between the kurtosis of a distribution and the kurtosis of the normal distribution. The kurtosis of a distribution is a measure of the degree of peakedness of the distribution. The kurtosis of the normal distribution is … Read more
The algebraic method is a way of solving equations by manipulating the algebraic expressions that make up those equations. This method is often used to solve equations that are too difficult to solve using other methods, such as the graphical method. To use the algebraic method, you must first understand what algebraic expressions are. An … Read more
A three-way ANOVA is a statistical test that is used to determine the effect of three independent variables on a dependent variable. The three-way ANOVA can be used to test for interaction effects between the three independent variables. Why use a MANOVA instead of ANOVA? There are a few reasons you might want to use … Read more
In mathematics, a nonlinear function is a function that is not a linear function. That is, a function that is not of the form f(x)=ax+b. Nonlinear functions can be described in many ways. They can be continuous or discontinuous, convex or nonconvex, smooth or nonsmooth, and so on. Nonlinear functions arise naturally in many areas … Read more
The chi-square statistic is used to test the null hypothesis that two or more variables are independent. In other words, the chi-square statistic tests whether or not there is a relationship between the variables. The chi-square statistic is calculated by taking the sum of the squared difference between the observed values and the expected values, … Read more
Discrete Probability Distribution. What is the formula of discrete probability distribution? In probability theory and statistics, a discrete probability distribution is a probability distribution characterized by a probability mass function (pmf) that assigns non-negative real numbers to the outcomes of a discrete random variable. A discrete random variable is a random variable that can assume … Read more
Unconditional probability is the probability of an event occurring without any conditions being imposed on it. In other words, it is the probability of an event occurring regardless of any other events that may or may not be happening at the same time. For example, the probability of flipping a coin and it landing on … Read more
Look-ahead bias is a type of selection bias that can occur when future events are used to predict past events. This can happen when data is collected retrospectively, or when data is collected in real time but used to predict past events. This can lead to inaccurate results and conclusions. What are the 5 sources … Read more
One-Way ANOVA.. What is Two-Way ANOVA? What does Two-Way ANOVA tell you? How is Two-Way ANOVA different from One-Way ANOVA? How many F statistics are produced in a two-way ANOVA? There are two F statistics produced in a two-way ANOVA: one for the main effects and one for the interaction. What does the ANOVA one-way … Read more
In mathematics, inverse correlation is a statistical measure of the relationship between two variables that are reciprocally related. The inverse correlation between two variables is calculated as the Pearson correlation coefficient multiplied by negative one. The inverse correlation between two variables indicates the direction of the relationship between the variables. If the inverse correlation between … Read more
