What is a class mark for?
The class mark It is also known as middle point. It is the value that is in the center of a class...
What is stratified sampling?
The stratified sampling It is a probabilistic technique that is used when the researcher, through...
What is the Pearson correlation coefficient and how is it interpreted?
Knowledge circulates from the general to the particular, in this sense the explanation of new phe...
Normal Distribution in Statistics (formula and use)
The normal distribution it is the most important probability distribution in statistics, known fo...
▷ 2 Scatter Plot Examples
A scatter diagram is a graphic representation in which the correlation that exists between two va...
Statistical Analysis (Definition, Characteristics and Steps)
Statistical analysis is essential in research to discover trends and patterns in data. Through me...