3 Sample Distribution

Connect to the previous section 2. Section 1-3 is the descriptive Statistics section.

There are a lot of statistical inference is based on the assumption of normal distribution, with the standard positive variables as the cornerstone of the construction of the statistics are widely used in practice, and the use of statistics, it is necessary to know its distribution, the following we give a number of common positive and the general population of the distribution of the mean and variance.

1. Distribution of sample mean values

2. Chi-square distribution

3. Student Distribution (t distribution)

4.F distribution

3 Sample Distribution