Statistics
Prerequisites
Introduction
Ecosystem
stata
History
https://en.wikipedia.org/wiki/History_of_statistics
Statistics etymology
Statistique, statisticus, statista, statistics, estadística, Statistik: state data of community.
https://www.etymonline.com/word/statistics
https://www.youtube.com/watch?v=GS5B4Le7hhc&ab_channel=InstitutoJuandeMariana
Modern definition
Statistics is a branch of math, which studies the collection, analysis, interpretation, presentation, and organization of data about an object study.
Picture of object study.
A statistician is a mathematician who works in statistics.
Randomness
Probability
- Given a probability problem you need statistics. In fact, statistics will be about finding those basic numbers. Statistics is focused on frequently probability branches
Descriptive statistics
Central tendency
Variation
Shape
Worked examples
Inferential statistics
Confidence Intervals
Hypothesis tests
https://towardsdatascience.com/an-interactive-guide-to-hypothesis-testing-in-python-979f4d62d85
Chi-Square
One-Way Analysis on Variance
Skewness
Bias ≠ Skewness
Sesgo (def. 7 de la RAE) no es lo mismo que sesgo (def. 4 de la RAE). La def. 4 es la que nosotros estudiamos aqui: ¿hacia donde se tuercen o distorsionan los datos? La situación donde NO existe distorsión es cuando los datos son simétricos, en otro caso, los datos son asimétricos. Para está última situación necesitamos una medida de distorción.
Asale, R.-, & Rae. (2022, November 24). sesgo, sesga | Diccionario de la lengua española. Retrieved from https://dle.rae.es/sesgo
Comparative statistics
Visualizing relationships
Correlation coefficient
Correlation Analysis for More than Two Variables
Statistical Thinking and Data Analysis
The statistical methods arise from summarizing and characterizing data and making statements about “hidden” facts.
Implementation
n-1
https://www.youtube.com/watch?v=KkaU2ur3Ymw&ab_channel=KhanAcademy
Hypothesis testing