# Research Writing

• ## What are the 5 methods of collecting data

There are different instruments/methods to collect information that are used depending on the purpose. The proper design of these instruments…

• ## How to do competitor research/Types of competition

Are you worried or worried because you already realized that there are other companies that offer the same products as…

• ## Difference between parametric and non parametric tests

The nonparametric tests are those that are responsible for analyzing data that do not have a particular distribution and assumptions are…

• ## What is nonparametric statistics/Objective/Tests/Advantages

Nonparametric statistics is a branch of statistical inference whose calculations and procedures are based on unknown distributions. Nonparametric statistics are not very…

• ## Pearson correlation coefficient interpretation/How calculated

Knowledge circulates from the general to the particular, in this sense the explanation of new phenomena can be studied by…

• ## Standard deviation in research/calculation/properties

The standard deviation or standard deviation (revealed with the symbol σ) is a concentration or statistical dispersion weighting for ratio…

• ## What is descriptive statistics in research/Concepts/elements

What is descriptive statistics? It is worth starting by clarifying that descriptive statistics is a branch of mathematics , with which a certain set…

• ## How to calculate coefficient of determination/Applications

The coefficient of determination , also known as r2 , is a term used in statistics, whose main function is to predict the…

• ## What is median in statistics/How to find/when used/examples

The median within the world of statistics and probabilities refers to a group or set of data that is in the middle, having…

• ## Sampling definition in research/random/Systematic/simple

The sampling statistician is a process within the application of any study and it is essential to get it right for the expected results and…