Statistical Aid: A School of Statistics
Learn Statistics and Data Analysis Intuitively!
The Geometric mean is a special types of average where we calculate the root of the product of a value of a set of observations. It is usually used to define various types of growth rates such as population growth, interest rates etc. Formula of geometric mean By definition, the formula is as below, … Read more
The harmonic mean is the inverse of the arithmetic mean of the reciprocals of the observations of a set. It is a type of average generally used for numbers that represent a rate or ratio such as the precision and the recall in information retrieval and can be described as the reciprocal of the arithmetic mean … Read more
When someone says “average,” what’s the first thing that comes to mind? For most of us, it’s the simple act of adding up a bunch of numbers and dividing by how many numbers there are. That intuitive process is exactly what we call the Arithmetic Mean, and it’s by far the most common and fundamental … Read more
Measures of central tendency are numerical indices of statistical data that are generally indicative of the center, middle or representative of a data set. Understanding data is crucial in statistics, business, and research. One of the fundamental concepts in data analysis is measures of central tendency, which help summarize a dataset with a single representative … Read more
In today’s data-driven world, statistical data plays a crucial role in decision-making across industries. Whether in business, healthcare, finance, or research, statistics help analyze trends, make predictions, and improve efficiency. Understanding statistical data is essential for anyone looking to interpret numerical information accurately. This article explores the fundamentals of statistical data, its types, and practical … Read more
Inter-class correlation and intra-class correlation are two special cases of correlation analysis. Inter-class correlation shows the association among the groups and intra-class correlation shows the association within a group. Intra class(a) vs Inter class(b) “Interclass” means among the groups.“Intraclass” means within groups. Inter-class correlation Inter-class correlation refers to the degree of association or agreement … Read more
In statistics, knowing the difference between population and sample is key. It helps in doing accurate and reliable research. Understanding this difference is vital for making good decisions and drawing conclusions. Statistics show that population and sample are closely related but different. The population is the whole group a researcher wants to study. On the … Read more
What is Statistics? Statistics is the branch of mathematics that focuses on collecting, analyzing, interpreting, presenting, and organizing data. It provides tools and methods to make sense of large amounts of information and draw meaningful conclusions. Whether in academia, business, healthcare, or everyday decision-making, statistics is essential for understanding patterns, relationships, and trends in data. … Read more
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