STATISTICS

STATISTICS

1. It is the science that makes sense of data through various theories, gathers, organizes, analyzes numerical data in order to solve problems, and make decisions.

2. It is characterized by its mathematical analysis, it uses formulas and facilitates the interpretation of the data through various graphs, it is applicable to all aspects of life, and it allows precision in the results and conclusions.

3. Descriptive statistics: allows the collection, organization, summary and presentation of a data set. It describes the fundamental characteristics of the data and for them indicators, graphs and tables are usually used.

4. Descriptive statistics: allows the collection, organization, summary and presentation of a data set. It describes the fundamental characteristics of the data and for them indicators, graphs and tables are usually used.

5. Inferential statistics: methods used to make predictions, generalizations and draw conclusions from the data analyzed.

6. Statistical objectives

   • Knowing the characteristics or reaching conclusions regarding a specific population, based on conclusions, decisions can be made.
   • It supports other disciplines, such as economics, to project and analyze indicators to determine inflation or gross domestic product.

7. Statistical elements

   • Population: Group of individuals that presents or could present a common characteristic trait that is desired to be investigated.
   • Sample: It is a subgroup of data extracted from a population that must adequately represent the entire group.
   • Parameters: These are measurements that provide information about the center of a data set.
   • Experiment: Process or activity carried out intentionally to obtain a series of data or to confirm or refute a hypothesis.
   • Variable: The characteristic or quality of a sample or population to which a value can be assigned.

Bilder und Dateien der Mindmap