Variance represents the average of the squared deviations from the mean. Because we square the deviations, the variance is…

Unlike the mean and median, which represent average and middle values respectively, the mode identifies the most frequently occurring…

We can get the numerical summary through measures of central tendency, location, and variability for numerical data. But numbers…

Choosing which statistical test to use, given the variables is often confusing for researchers and analyst. One of the…

Creating good graphics is a very important part of data visualization. Data visualization is not a science this is…

In data analysis, identifying outliers with the box plot  rule helps pinpoint data points that significantly deviate from the…