Uživatel:Juandev/Statistics: Porovnání verzí

Smazaný obsah Přidaný obsah
Juandev (diskuse | příspěvky)
init
 
Juandev (diskuse | příspěvky)
update
Řádek 1:
* g[https://www.youtube.com/watch?v=B1HEzNTGeZ4 ood explanation of mean (=avaradge), median and mode]
*bad use and interpretation of statistics leads to bad claims
**due to this people where even accused falsly from murder in the past<ref>{{Citace elektronického periodika
| titul = This is How Easy It Is to Lie With Statistics - YouTube
| periodikum = www.youtube.com
| url = https://www.youtube.com/watch?v=bVG2OQp6jEQ
| datum přístupu = 2021-01-07
}}</ref>
 
== Errors ==
 
* observational or meassurement error
* in statistics its not a mistake, rather something we should count
two types of errors
* random - may vary from observation to another; caused by unintended mistakes by respondents, interviewers
* systematic (=statistical bias) - occurs when we use intruments the same way with the same place; caused by the bad set of questionaiire
** Multitrait-multimethod matrix helps on decission, weather the questionaire is set right
 
== Poznámky k [https://www.youtube.com/watch?v=xxpc-HPKN28 Statistics - A Full University Course on Data Science Basics] ==
 
* study on how to collect, organize, analyze and interpret numerical information
* sicence of uncertainity and extracting data
 
* statistics help us to make decissions
 
== Poznámky k [https://www.youtube.com/watch?v=AN3UkzE3HMg&list=PLqzoL9-eJTNAB5st3mtP_bmXafGSH1Dtz Statistics Course for Beginners: Introduction to Statistics] ==
 
* used to study population
* we work with a sample, because the population is to large
* its about working with population and samples
*