Stem and leaf plot is used to plot for a numerical variable. It’s essentially a way to list our data…
Variance represents the average of the squared deviations from the mean. Because we square the deviations, the variance is always…
There are two main kinds of studies, observational studies and, experimental studies. The statistical process can be viewed in the…
In the world of statistics and data analysis, understanding the relationship between two variables is crucial. One of the most…
There is an important distinction between a sample of data and population of data. So, let’s take a research question…
Choosing which statistical test to use, given the variables is often confusing for researchers and analyst. One of the major…
Analysis
View AllImagine you’re a teacher assessing student performance in a math exam where scores range from 0 to 100. You’ve…
1. “Fallen angels will all go back up, eventually.” A “fallen angel” is a stock that once performed well…
If you have a sample or population of data and you want to understand the different properties, the different…
Mean is the one of the most commonly used measures of central tendency. It’s a powerful tool for understanding…
So, let’s look at another example to understand tabulating the two categorical variables. In previous article we have described…
