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…
One issue with range and the interquartile range (IQR) both is that they don’t include information from all the data…
Choosing which statistical test to use, given the variables is often confusing for researchers and analyst. One of the major…
Analysis
View AllSharpe Ratio is the most extensively used metric in the finance world to evaluate the performance of an investment.…
In the world of statistics and data analysis, understanding the relationship between two variables is crucial. One of the…
Previous article discussed the basic contingency table of proportions and percentages. People often want to ask more about relationships…
1. “Fallen angels will all go back up, eventually.” A “fallen angel” is a stock that once performed well…
Data is set of observation. This observation can be collected in various ways such as field notes, survey or…