# Statistical Analysis Articles

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Updated on June 26, 2024

## The Kruskal Wallis Test: A Guide

The Kruskal-Wallis test is an important statistical analysis for data that doesn’t follow normal distributions. Our expert shows you how it works here.

Maike Elisa Müller
Updated on June 13, 2024

## Is 0 an Even Number?

Zero is an even number because it can be divided by two without producing a remainder. Learn how to prove 0 is even and why it isn’t also an odd number.

Vivek Vinushanth Christopher
Updated on June 04, 2024

## Understanding the Hidden Markov Model

Hidden Markov models are probabilistic frameworks where the observed data are modeled as a series of outputs generated by one of several internal, hidden states. Learn more.

Gary Eimerman
Updated on April 22, 2024

## Is Your Skills Development Program Measuring the Right Data?

Data is as important to crafting good learning programs as it is every other aspect of business. But what kind of data should you track?

Maria Julia Yanzi
Updated on March 26, 2024

## 3 Myths About Women in IT Debunked

Our expert dispels three prevalent misconceptions about women in STEM.

Terence Shin
Updated on February 26, 2024

## 90 Data Science Interview Questions to Know

Data science interviews encompass a variety of challenging questions to test your knowledge in machine learning, probability, SQL and more. Hone your skills with these questions.

Pau Blasco Roca
Updated on February 15, 2024

## Life Stats: A Data Science Experiment

After collecting life stats data for a year, here’s what you can learn by applying data analysis like correlation studies, time series analysis, Fourier transform and more.

Shivam Chaudhary
Updated on January 24, 2024

## Why 1.5 Is Used in the IQR Rule for Outlier Detection

The 1.5 IQR rule determines that any data point that’s 1.5 IQR points below the first quartile of data or above the third quartile is an outlier. Here’s why it’s 1.5 times IQR.