Stem and leaf plot is used to plot for a numerical variable. It’s essentially a way to list our…

Imagine you’re a teacher assessing student performance in a math exam where scores range from 0 to 100. You’ve…

We’ve discussed the mean previously about mean or average as a measure of central tendency, let’s explore two other…

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

Data is set of observation. This observation can be collected in various ways such as field notes, survey or…

In a box plot, the “box” represents the interquartile range (IQR) of the data. Inside the box, you find…