Uploaded April 2026 | Updated September 2026, 1 hour ago
Probability theory is the branch of math that studies chance and uncertainty.
It helps answer questions like:
How likely is something to happen?
What are the possible outcomes?
How can we measure randomness?
► E-BOOK
numiqo.com/statistics-book
► Interactive lab
numiqo.com/lab
Probability theory is the branch of math that studies chance and uncertainty.
It helps answer questions like:
How likely is something to happen?
What are the possible outcomes?
How can we measure randomness?
► E-BOOK
numiqo.com/statistics-book
► Interactive lab
numiqo.com/lab


![Chi-Squared Test [in 60 sec.] #shorts
What is a Chi-2 test? The Chi-2 test is a hypothesis test that is used when you want to determine if there is a relationship between, two categorical variables.
#statistics #regression #research Chi-Squared Test [in 60 sec.] #shorts](https://i.ytimg.com/vi/fUG-KvCzFWU/mqdefault.jpg)


![Fleiss Kappa [Simply Explained]
What do you need the Fleiss Kappa for? In general, you use the Fleiss Kappa whenever you want to assess the agreement between more than two raters. In the case of Fleiss kappa, the variable to be measured by the raters is a nominal variable. Therefore, if you have a nominal variable, you use the Fleiss Kappa.
The Fleiss Kappa is a measure of the agreement between more than two dependent categorical samples.
Fleiss Kappa Calculator
https://numiqo.com/statistics-calculator/reliability-analysis/fleiss-kappa-calculator Fleiss Kappa [Simply Explained]](https://i.ytimg.com/vi/ga-bamq7Qcs/mqdefault.jpg)
![Bland-Altman Plot [Simply explained]
What is a Bland-Altman Plot? The Bland-Altman plot is a graphical method to compare two measurements. In essence, a Bland-Altman plot is a scatter plot where the differences between two measurements are plotted against their averages. This helps to visualize the degree of agreement between the two raters and identify any systematic bias.
► Bland-Altman Plot Online Maker
https://numiqo.com/statistics-calculator/charts/bland-altman-plot
► Tutorial Bland-Altman Plot
https://numiqo.com/tutorial/bland-altman-plot
► E-BOOK
https://numiqo.com/statistics-book
0:00 What is a Bland-Altman Plot?
0:28 Example of a Bland-Altman Plot
0:48 How to create a Bland-Altman Plot?
3:22 How to interpret a Bland-Altman Plot? Bland-Altman Plot [Simply explained]](https://i.ytimg.com/vi/hHsfn7jE79M/mqdefault.jpg)



