Expectation and degrees of freedom for sample variance. (22nd March 2020)
- Record Type:
- Journal Article
- Title:
- Expectation and degrees of freedom for sample variance. (22nd March 2020)
- Main Title:
- Expectation and degrees of freedom for sample variance
- Authors:
- Liu, Xiaofeng Steven
Shin, Hyejo Hailey - Abstract:
- Abstract: Computer simulation can be used to demonstrate why the unbiased sample variance uses degrees of freedom ( n −1). This is first demonstrated for sampling from a normal random variable, and in additional simulations for some selected non‐normal random variables, namely, chi‐square and binomial.
- Is Part Of:
- Teaching statistics. Volume 42:Number 2(2020)
- Journal:
- Teaching statistics
- Issue:
- Volume 42:Number 2(2020)
- Issue Display:
- Volume 42, Issue 2 (2020)
- Year:
- 2020
- Volume:
- 42
- Issue:
- 2
- Issue Sort Value:
- 2020-0042-0002-0000
- Page Start:
- 54
- Page End:
- 57
- Publication Date:
- 2020-03-22
- Subjects:
- Statistics -- Study and teaching (Elementary) -- Periodicals
Statistics -- Study and teaching (Secondary) -- Periodicals
373 - Journal URLs:
- http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1467-9639 ↗
http://onlinelibrary.wiley.com/ ↗ - DOI:
- 10.1111/test.12221 ↗
- Languages:
- English
- ISSNs:
- 0141-982X
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - 8614.343000
British Library DSC - BLDSS-3PM
British Library HMNTS - ELD Digital store - Ingest File:
- 13785.xml