Explore the importance of robust statistics like median and MAD in data analysis, ensuring accurate insights despite outliers ...

The standard deviation is calculated by finding the mean, calculating the variance and taking the square root of the variance.

It combines two related statistical concepts: variance and standard deviation. Correlation is used in several facets of financial analysis including the calculation of portfolio standard deviation.

During the making of an AI model, Performance metrics like accuracy, precision, recall, F1-score, ROC curves are used to ...

Konno and Yamazaki (1992) propose the mean absolute deviation (MAD) model as an alternative to the mean variance (MV) model. They claim it retains all the positive features of the MV model, saves the ...

Learn what a t-test is and discover the five standard assumptions made regarding the validity of sampling and data used in a t-test.