Statistical Aid : A School of Statistics and Data Analysis
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Levels of Measurement (Nominal, Ordinal, Interval, Ratio) in Statistics
Definition In statistics , the statistical data whether qualitative or quantitati…
Business Forecasting Definition, Steps, Modeling and Importance
Definition Forecasting is the process of making prediction of the future based on …
Statistical Inference Definiton, Types and Estimation Procedures
Definition Inference comes from a word ‘infer’ which means that to draw a conclusi…
An Intuitive Study of Time Series Analysis
Time series data A time series data is a set of observation on the value that a vari…
Correlation Analysis definition, formula and step by step procedure
Correlation Analysis The relationship between two or more random variables are genera…
Skewness and Kurtosis in Statistics (shape of distributions)
Skewness Literally, skewness means the 'lack of symmetry'. We study skewness…
Quadrat Sampling: Application with Advantages and Disadvantages
Quadrat Sampling Quadrat sampling is a classic tool for the study of ecology, esp…
Wilcoxon Signed Rank Test: Step by Step Procedure
Wilcoxon Signed Rank Test The test determine whether the median of the sample is eq…
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