External factors (weather factors and moon cycles) have a minimal impact on baseball.

AJAS · 2022 Mathematics

Keri Polevchak, Kayoung Kim

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Overview

This project’s purpose was to observe the relationship between five external factors and the runs scored in baseball and provide a better understanding to the fans and teams about these relationships. Four of the external factors were atmospheric (temperature, relative humidity, air pressure, air density) and correlation analysis was performed to examine the relationship between them and the runs. The last factor was the presence/absence of full moons for which a t test was performed. Data was gathered using NOAA. After analysis, there was no significant evidence to support the research hypothesis that air density and air pressure will have a negative correlation with the runs scored, humidity and temperature will have a positive correlation, and the presence of full moons will lower the number of runs. However, weak trends in the hypothesized direction were discovered for three factors (temperature, air pressure, and air density).

From the student

The Effect of External Factors on Baseball

Kayoung Kim - duPont Manual High School

Louisville, Kentucky - KJAS

My name is Kayoung Kim and I am a sophomore at duPont Manual High School (was a freshman when I did this project), and I am a delegate from KJAS (Kentucky Junior Academy of Science). I am in the MST (Math, Science, and Technology) magnet at my school and I am interested in math and science the most, which is why I decided to do a data analysis project. Thank you!