Results 1 to 10 of about 13,979,009 (326)

T test as a parametric statistic [PDF]

open access: yesKorean Journal of Anesthesiology, 2015
In statistic tests, the probability distribution of the statistics is important. When samples are drawn from population N (µ, σ2) with a sample size of n, the distribution of the sample mean X̄ should be a normal distribution N (µ, σ2/n).
Tae Kyun Kim
doaj   +4 more sources

Can the Immune System Perform a t-Test? [PDF]

open access: yesPLoS ONE, 2017
The self-nonself discrimination hypothesis remains a landmark concept in immunology. It proposes that tolerance breaks down in the presence of nonself antigens. In strike contrast, in statistics, occurrence of nonself elements in a sample (i.e., outliers)
Bruno Filipe Faria   +2 more
doaj   +2 more sources

A simple guide to the use of Student’s t-test, Mann-Whitney U test, Chi-squared test, and Kruskal-Wallis test in biostatistics [PDF]

open access: yesBioData Mining
In an age when machine learning and artificial intelligence are broadly employed, traditional statistics can still provide insightful information and results quickly and at a low computational cost.
Davide Chicco   +2 more
doaj   +2 more sources

Serial High-Sensitivity Troponin T in Post-Primary Angioplasty Exercise Test

open access: diamondArquivos Brasileiros de Cardiologia, 2016
Background: The kinetics of high-sensitivity troponin T (hscTnT) release should be studied in different situations, including functional tests with transient ischemic abnormalities.
Humberto Andres Vaz   +2 more
doaj   +2 more sources

PENGAPLIKASIAN UJI T DALAM PENELITIAN EKSPERIMEN

open access: yesJurnal Lebesgue, 2023
Research is a scientific activity to examine and approve the theory or assumption. In examining assumption, research needs approach and method. Researcher should determine not only the appropriate approach but also the right method to manage finding of ...
Azka Dhianti Putri   +4 more
doaj   +1 more source

A Statistical Test of Station Thunderstorm Days Based on Lightning Location System and Its Evolution Characteristics

open access: yesGaoyuan qixiang, 2023
To research the continuity and climate evolution characters of station lightning data in Fujian Province, the paper established the calculation model based on Lightning Location System.The data sorted to thunderstorm days by observed(1982 -2013) and by ...
Bo PANG   +4 more
doaj   +1 more source

Correction: Why Psychologists Should by Default Use Welch’s 't'-test Instead of Student’s 't'-test

open access: yesInternational Review of Social Psychology, 2022
This article details a correction to: Delacre, M., Lakens, D., & Leys, C. (2017). Why Psychologists Should by Default Use Welch’s 't'-test Instead of Student’s t-test. 'International Review of Social Psychology', 30(1), 92–101.
Marie Delacre   +2 more
doaj   +1 more source

Note on the t-Test [PDF]

open access: yesProceedings of the National Academy of Sciences, 1942
Not ...
Wilson, E., Worcester, J.
openaire   +2 more sources

On the T-test

open access: yesStatistics & Probability Letters, 2022
The $T$-test is probably the most popular statistical test; it is routinely recommended by the textbooks. The applicability of the test relies upon the validity of normal or Student's approximation to the distribution of Student's statistic $\,t_n$. However, the latter assumption is not valid as often as assumed.
openaire   +2 more sources

The Test Re-Test Reliability of A Novel Single Leg Hop Test (T-Drill Hop Test)

open access: yesInternational Journal of Sports Physical Therapy, 2021
# Background Functional training and testing are an important part of a comprehensive rehabilitation program stressing the neuromuscular system in ways that simulate athletic performance to help determine criteria for return to sport. There are numerous
Rodney Negrete   +7 more
doaj   +1 more source

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