Basics of Statistics

Conceitos básicos de Estatística são os principais elementos deste app.

Basic concepts of Statistics are the main elements of this app. The main topics are

1. Statistics, estimators and pivotal quantities

2.Null hypothesis and alternative hypothesis

3.Error

4. Interval estimation

5.Significance

6.Mean and Weighted Average

7. Median

8.Mode

9.Considerations

10. Standard Deviation and Weighted Standard Deviation

11.The Sampling Distribution and Standard Deviation of the Mean

12. Example by Hand

13.Gaussian Distribution

14.Error Function

15Correlation Coefficient

16. Linear Regression

17. Z-Scores

18.P-Value

19. Calculation

20.First Method: Z-Score

21.Second Method: Fisher's Exact

22. Chi-Squared Test

23. Calculating Chi Squared

24.Detailed Steps to Calculate Chi Squared by Hand

25.Chi Squared Test versus Fisher's Exact

26.Binning in Chi Squared and Fisher’s Exact Tests

and workout

Example 1

Example 2

Example 3

Application: What do p-values tell us?

Multiple Choice Questions.