https://github.com/filip-kustura/statistics-olympics-analysis

A group seminar analyzing the relationship between citizens' average height and a country's Olympic success. The project involved data collection, descriptive statistics and statistical testing. Created and presented as part of the mandatory undergraduate Statistics course in spring 2021.
https://github.com/filip-kustura/statistics-olympics-analysis

correlation-analysis data-analysis data-visualization descriptive-statistics group-project hypothesis-testing olympic-games r-programming research sports-analytics statistical-testing statistics university-project

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A group seminar analyzing the relationship between citizens' average height and a country's Olympic success. The project involved data collection, descriptive statistics and statistical testing. Created and presented as part of the mandatory undergraduate Statistics course in spring 2021.

• Host: GitHub
• URL: https://github.com/filip-kustura/statistics-olympics-analysis
• Owner: filip-kustura
• Created: 2022-09-25T19:06:29.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2024-09-14T18:54:49.000Z (5 months ago)
• Last Synced: 2024-12-01T21:08:45.186Z (3 months ago)
• Topics: correlation-analysis, data-analysis, data-visualization, descriptive-statistics, group-project, hypothesis-testing, olympic-games, r-programming, research, sports-analytics, statistical-testing, statistics, university-project
• Homepage:
• Size: 1.04 MB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Relationship Between Average Height and Olympic Success

**Contributors**: Anamaria Čičak, Mihaela Jukić, Andrea Jurić, Igor Keserin, Filip Kustura

## Project Overview

This project is the result of a group seminar completed during the mandatory **_Statistics_** undergraduate course in the spring of 2021. It investigates the correlation between the average height of a nation's citizens and its success in the **Summer Olympic Games (2016, Rio de Janeiro)** and **Winter Olympic Games (2018, Pyeongchang)**.

The study uses data collection, descriptive statistics and statistical tests to determine if a higher average citizen height correlates with a nation's success, measured by the number of Olympic medals won.

## Contents

- **Motivation**: Analyzing Croatian sports success despite limited investment and exploring whether height plays a significant role in international achievements.

- **Data Collection**: Collection of country-specific height and Olympic medal data.

- **Descriptive Statistics**: Visualizations and calculations for both the Summer and Winter Games, including Pearson correlation coefficients.

- **Statistical Tests**: Conducting t-tests to evaluate correlation based on various success criteria, such as median and quartile cuts for medal counts.

## Tools and Methods

The project was developed using **R**, applying descriptive statistics and hypothesis testing techniques. Separate analyses were conducted for the Summer and Winter Olympic Games, providing comprehensive insights.

## Conclusion

The research found a statistically significant correlation between average citizen height and Olympic success, suggesting that countries with taller populations may have a slight advantage in achieving greater success at the Olympic Games.

## Sources

- [One India – 2016 Participating National Olympic Comittees](https://www.oneindia.com/sports/rio-olympics-2016/countries/)

- [Olympics – 2016 Medals](https://olympics.com/en/olympic-games/rio-2016/medals)

- [Wikipedia – 2018 Participating National Olympic Comittees](https://en.wikipedia.org/wiki/2018_Winter_Olympics#Participating_National_Olympic_Committees)

- [Olympics – 2018 Medals](https://olympics.com/en/olympic-games/pyeongchang-2018/medals)

- [Wikipedia – Average Height by Country](https://en.wikipedia.org/wiki/Average_human_height_by_country#Estimated_average_height_of_19_year_olds_by_country)