Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

Statistical hypothesis test (in which the test statistic follows a continuous probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown, if the null hypothesis is supported)

edit
Usage examples (4)
  • The t-value for the trend coefficient is only 1.24, which is not 95% significant even for i.i.d. and there is lots of autocorrelation here.
  • Both showed positive correlations, one with a t-value of 2.3, one with a t-value of 1.5.
  • A t-value is a score taken from the t-distribution, which is an approximation of the normal distribution used when a smaller sample size produces non-normality.
  • We would construct our confidence interval by taking x-bar and then adding, and subtracting, the value of the product of SDm and a t-value corresponding to our desired...
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.