Exponential Functions and Natural Logarithmic Functions

We have learned a lot of 10 based logarithms. The logarithm of the form is called the general logarithm. In addition to the 10-based logar...

Proof of Normal Distribution Formulas

We assume that X is a normal random variable or X is normally distributed, with parameters π and σ 2 if the probability density function...

Pearson Correlation Analysis

Correlation Analysis The linear correlation coefficient is a measure of the linear relationship between two random variables X and Y, den...

Simple Linear Regression Analysis - Definition, How to Create a regression formula, Explanation, Example

Definition of Regression Analysis A group of data in which contains a numerical variable, where the description of the variable data is o...

Normality Test of Kolmogorov-Smirnov Using SPSS

Normality testing is a common practice before the statistical method. Normality test is one part of the test data analysis requirements or ...

Find the Quadratic Equation of the Graph of Quadratic Functions

Previously, it was discussed how to draw a parabolic graph of quadratic functions based on equations with intersection values, extreme po...