# Statistics: Basic Concepts

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Statistics: Basic Concepts

## 1. Statistics

### 1.1. Is the science of collecting, organizing and analyzing data, so it can be easily interpreted.

1.1.1. Descriptive or Inferential

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## 3. Descriptive Statistics

### 3.1. Represents data, organized information in a useful way.

3.1.1. Me: Median, Mo: Mod, Std: Standard deviation

4.1.1. j

## 5. Biased Sample

### 5.1. A biased sample is one in which the method used to create the sample results in samples that are systematically different from the population.

5.1.1. Target population: citizens of Chula Vista & Sample: Obtained by randomly polluting people outside.

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## 7. Population

### 7.1. All the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.

7.1.1. Sample or Census

## 8. Continuous Variable

### 8.1. Any number with decimals

8.1.1. Time, Height, Weight

## 9. Discrete Variable

### 9.1. All whole numbers

9.1.1. Cars, people, pets

## 10. Quantitative variable

### 10.1. Numerical

10.1.1. Number of students in the class

## 11. Qualitative Variable

### 11.1. Categorical

11.1.1. Gender of persons

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17.1.1. J

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