Technical Writing Tips: Interpreting Graphs with Two Variables
How do you present the results of your study? One of the convenient ways to do it is by using graphs. How are graphs interpreted? Here are very simple, …
Category: Data Analysis
What is a Statistically Significant Relationship Between Two Variables?
How do you decide if indeed the relationship between two variables in your study is significant or not? What does the p-value output in statistical software analysis mean? This …
How to Use Gnumeric in Comparing Two Groups of Data
Are you in need of a statistical software but cannot afford to buy one? Gnumeric is just what you need. It is a powerful, free statistical software that will …
Heart Rate Analysis: Example of t-test Using MS Excel Analysis ToolPak
This article discusses a heart rate t-test analysis using MS Excel Analysis ToolPak add-in. This is based on real data obtained in a personally applied aerobics training program. Do …
An Introduction to Multiple Regression
What is multiple regression? When is it used? How is it computed? This article expounds on these questions. Multiple regression is a commonly used statistical tool that has a …