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…

## Harmonic Mean definition, formula and applications

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…

## Arithmetic Mean definition, formula and applications

Mean is the central value of all the observation which are included in a study. There are various types of mean exist. They are arithmetic mean, geometric mean, harmonic mean etc. Definiton The arithmetic mean of a set of data…

## Measure of Central Tendency definition, types with advantages and disadvantages

Measures of central tendency are numerical indices of statistical data that are generally indicative of the center, middle or representative of a data set. Definitions It is a single value within the range of data which represents a group of…

## Statistical Data definition, types and requirements

Definition of statistical data Statistical data are the outcomes or the observations which occur in scientific experiments or an investigation. To conduct any analysis it is must to have some data. Without data we can not think about research or…

## Regression analysis with its types, objectives and applications

Regression analysis is a statistical technique that develop a relationship between explanatory (independent) variable and response (dependent) variable. It measures the dependence of one (dependent) variable on one or more than one other (independent) variable. Linear regression Introduction of regression…

## Intra class vs Inter class correlation in statistics

Interclass correlation and intra-class correlation are two special cases of correlation analysis. Interclass 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. “Intra…

## Population vs Sample in Statistics

Population vs sample in statistics are plays two different role in statistics. Population is the whole study area where sample is the required study area from the whole study area. Population vs Sample-statistical aid Population vs sample Population Population indicates…

## Statistics Definition, Scope with Real life Examples

Statistics is a field of mathematics which concern with collection, organization, analysis, interpretation and presentation of data using scientific way or statistical methods. Statistics provides mathematical analysis and build models to interprete the data patterns. Statistics Sir R.A. Fisher defined…