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

Describing Numerical Data In the previous articles we described two kinds of variable numerical and categorical, also known as…

In a dataset, an alternative plot apart from the histogram is a density plot. Similar to a histogram, a…

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

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

There is an important distinction between a sample of data and population of data. So, let’s take a research…