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…
Bar Graph-two categorical variable In the previous article, we have discussed tabulating and graphing one categorical variable through table of…
If you have a sample or population of data and you want to understand the different properties, the different relationships…
Analysis
View AllStock Traders look for various signal like GDP, inflation rate, interest rate to predict the future economic condition. One…
If you have a sample or population of data and you want to understand the different properties, the different…
Imagine you’re a teacher assessing student performance in a math exam where scores range from 0 to 100. You’ve…
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…
