ENGLISH Prob & Estadistica Parcial 1

Examples of measures of central tendency are:

If you need to conduct a study of people between 15 and 25 years old, what type of sampling do you need?

It has a limited number of elements which allows for precise counting and measurement. Ex: number of students in school

Type of sampling where a random selection is made at fixed intervals until the maximum sample size is reached. 2, 4, 6

Which of the following is NOT a qualitative variable:

Función en R studio para calcular el rango de una variable en un conjunto de datos.

An example of this branch is making predictions about the results of political elections based on survey data.

Función en R Studio para importar paquetes / recursos / bibliotecas necesarias dependiendo el análisis.

It is a characteristic that is obtained only when the entire population is studied

Proceso estadístico que consisten en recoger información de todos los elementos que forman una población

Sampling technique in which all individuals have the same probability of being selected

Guess the movie:

Son valores que ayudan a dividir un dataset en partes iguales e identificar la posición relativa de un valor

¿ Cual es la instrucción en Rstudio para general el siguiente gráfico?

Branch of statistics that is responsible for collecting, organizing, presenting, and analyzing a data set

Type of quantitative variable that takes integer and specific values. Example: Number of children (1, 2, 3)

¿ Cual es la instrucción en Rstudio para general el siguiente gráfico?

Sampling technique where the population is divided into groups based on a common characteristic

It is considered unlimited because the number of elements is so large that it cannot be counted exactly

Property that can be measured or observed in a data set.

Guess the movie:

The following example shows a type of data:

Which of the following is NOT a quantitative variable:

Function in R Studio to calculate the frequencies of data in a column of a dataset.

Gráfico para analizar la distribución de datos continuos:

Process by which a representative part of the population is selected in order to make inferences

Guess the movie:

Select the example of an infinite population:

Value used as an approximation or estimate of the parameter corresponding to a population

Branch of statistics responsible for making inferences. Its role is to interpret, make projections, and comparisons.

Examples of measures of dispersion are:

Set of elements or individuals that share specific characteristics and are studied in a research