There is an important distinction between a sample of data and population of data. So, let’s take a research question…
Data is set of observation. This observation can be collected in various ways such as field notes, survey or experiments.…
The Challenger disaster occurred on January 28, 1986, during the launch of the Space Shuttle Challenger. The Space Shuttle Challenger…
We’ve discussed the mean previously about mean or average as a measure of central tendency, let’s explore two other important…
There is an important distinction between a sample of data and population of data. So, let’s take a research question…
If you have a sample or population of data and you want to understand the different properties, the different relationships…
Analysis
View AllPrevious article discussed the basic contingency table of proportions and percentages. People often want to ask more about relationships…
In data analysis, identifying outliers with the box plot rule helps pinpoint data points that significantly deviate from the…
So, let’s look at another example to understand tabulating the two categorical variables. In previous article we have described…
A straightforward solution to deal with unit of variance which is in squared units is to simply calculate the…
There are two main kinds of studies, observational studies and, experimental studies. The statistical process can be viewed in…
