arc/notes
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

vault backup: 2024-02-02 12:48:50

Browse Source
This commit is contained in:
zleyyij 2024-02-02 12:48:50 -07:00
parent d4b99194cc
commit b7312a98d6
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
education/statistics/Hypothesis Tests.md
View File

@ -14,8 +14,7 @@ If an observed value is too many SEs away from the expected value, it is hard to
| One-tailed test | Use when the alternative hypothesis says that the % of 1s is *less than* or *greater than* expected. It's one sided, because the area of importance on a distribution only has one side, and extends all the way outwards, away from the normal curve. |
| Two tailed test | Use when something is *not equal* to the expected. It's called a two tailed test because the area of significance has two sides |
## z tests for averages
This test will look very similar to a z test for percentages
You
This test will look very similar to a z test for percentages, it still requires that a large, random, sample was given.
## P Value
The chance of observing at least a sample statistic, or something more extreme, if the null hypothesis is true.
If the p-value is less than *5*%, reject the null hypothesis.