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Popular Post

Cumulative Frequency Table (Less Than and Greater Than)

Presentation of data in a frequency distribution is one of the usual first steps in analyzing a data set. Interpreting data can usually be...
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 ...
Introduction of MATLAB Software for data visualization analysis

MATLAB (Matrix Laboratory) is a Engineering computing environment developed by MathWorks, Inc. for computing and visualizing data. MATLAB ...
Find Median and Mode Values For Group or Non-Group Data

Median From the name, we can guess what is meant by the median. Median is the observation value that is in the middle of the data we hav...
Properties of Sigma Notation

Sigma notation is a notation used to express the sum. The sigma notation is symbolized by ∑. The purpose of the above sigma formula is ...
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...

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