In previous article we discussed about variance and standard deviation, assuming we had a population of data, even though…

When analyzing distributions, we often discuss their modalities. The modalities is the number of peaks they exhibit. A distribution…

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

In the previous article we discussed how to visualize two categorical variables through dodged, staked bar graphs. Another way…

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

Histograms are incredibly useful when you have a large dataset and want to visualize the distribution of a numerical…