Learning Statistics with Python

Learning Statistics with Python

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1. Basic Concepts

Sample vs Population

Types of Statistics

Median Value of the Even Number of Values

Descriptive Statistics Quiz

2. Mean, Median and Mode with Python

Examine the Dataset

Calculating Mean and Median Values with Python

Statistics with pandas

Calculate the Mean and Median Salary

3. Variance and Standard Deviation

Population Variance

Sample Variance

Calculate Variance with Python

Standard deviation

Standard Deviation with Python

Calculating Variance and Standard Deviation

4. Covariance vs Correlation

Select All Possible Values

Calculate Covariance and Correlation

5. Confidence Interval

This section will help us deal with the first real statistical case: finding confidence intervals. It requires knowledge of NumPy, pandas, Matplotlib, and Seaborn library to calculate math formulas and build visualization! To encourage you to pass this section, I want to point out that you will run across a small amount of theory but a significant amount of practice!

Explore the Data Set

Confidence Interval

Calculating Confidence Interval with Python

Confidence Interval Width Quiz

Calculate 95% Confidence Interval

Advanced Confidence Interval Calculation with Python

Match the Functions

6. Statistical Testing

An inseparable part of a data analyst's life is conducting hypothesis testing. After completing this section, you will understand the idea behind testing in statistics and will be able to conduct a t-test using Python.

t-test Mathematically

One-Tailed And Two-Tailed Test

t-test Assumptions

Performing a t-test in Python

Conduct a t-test

Contenido del Curso

Learning Statistics with Python

Learning Statistics with Python

1. Basic Concepts

Sample vs Population Types of Statistics Types of Data Mean Value Median Value Median Value of the Even Number of Values Mean or Median Mode Value Descriptive Statistics Quiz

2. Mean, Median and Mode with Python

Examine the Dataset Calculating Mean and Median Values with Python Statistics with pandas Calculate the Mean and Median Salary

3. Variance and Standard Deviation

Population Variance Sample Variance Calculate Variance with Python Standard deviation Standard Deviation with Python Calculating Variance and Standard Deviation

4. Covariance vs Correlation

Covariance Correlation Select All Possible Values Calculate Covariance and Correlation

5. Confidence Interval

Explore the Data Set Confidence Interval Calculating Confidence Interval with Python Confidence Interval Width Quiz Calculate 95% Confidence Interval Advanced Confidence Interval Calculation with Python Match the Functions

6. Statistical Testing

What is t-test Hypotheses t-test Mathematically One-Tailed And Two-Tailed Test t-test Assumptions Performing a t-test in Python Conduct a t-test Paired t-test

Sample Variance

Now let's delve into sample variance. The definition is similar to that of population variance, but the formula differs.

Formula

Look at the example of variance rounded to two decimal points for the column 'salary_in_usd':

salaries_distribution

The variance of the column 'salary_in_usd' is 5034932663.18

Variance Key Note

We can see that the variance of the 'salary_in_usd' column is quite substantial. The values in this column are spread out a lot.

Note

The greater the variance, the more the values are scattered.

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Sección 3. Capítulo 2

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