Results 1 to 10 of about 4,797,435 (149)
T test as a parametric statistic. [PDF]
Korean J Anesthesiol, 2015 In statistic tests, the probability distribution of the statistics is important. When samples are drawn from population N (µ, σ(2)) with a sample size of n, the distribution of the sample mean X̄ should be a normal distribution N (µ, σ(2)/n). Under the null hypothesis µ = µ0, the distribution of statistics [Formula: see text] should be standardized as ...
Kim TK.
europepmc +5 more sources
Gaoyuan 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
Minimal Spanning Tree application to determine market correlation structure
Ho Chi Minh City Open University Journal of Science - Engineering and Technology, 2023 Determining the structure of market correlation is an important topic in theory and experiments. Under the impact of the Covid-19 pandemic, the market structure may be deformed. Therefore, this study examines the pandemic’s impact on the market structure.
Bui Thanh Khoa +5 more
doaj +1 more source
Bone & Joint Research, 2023 Aims: This study aimed, through bioinformatics analysis and in vitro experiment validation, to identify the key extracellular proteins of intervertebral disc degeneration (IDD).
Guang-Zhi Zhang +5 more
doaj +1 more source
Bone & Joint Open, 2022 Aims: Although the short stem concept in hip arthroplasty procedure shows acceptable clinical performance, we sometimes get unexplainable radiological findings.
Hideki Fujii +7 more
doaj +1 more source
Bone & Joint Research, 2021 Aims: The main objective of this study is to analyze the penetration of bone cement in four different full cementation techniques of the tibial tray.
Juan Ramón Rodríguez-Collell +5 more
doaj +1 more source
Proceedings of the National Academy of Sciences, 1942 Not ...
Wilson, E., Worcester, J.
openaire +2 more sources
Bone & Joint Research, 2023 Aims: This study aimed to establish the optimal fixation methods for calcaneal tuberosity avulsion fractures with different fragment thicknesses in a porcine model.
Chunliang Wang +2 more
doaj +1 more source
t Testing the Immune System [PDF]
Immunity, 2008 Amid the flurry of grant writing and experimentation, statistical analysis sometimes gets less attention than it requires. Here, we describe fully the considerations that should go into the employment of the statistical two-sample t test.
Lamb, Tracey J. +2 more
openaire +2 more sources
Telemedicine in orthopaedic surgery during the COVID-19 pandemic: patient attitudes and barriers
Bone & Joint Open, 2021 Aims: This study assesses patient barriers to successful telemedicine care in orthopaedic practices in a large academic practice in the COVID-19 era. Methods: In all, 381 patients scheduled for telemedicine visits with three orthopaedic surgeons in a ...
Ramakanth R. Yakkanti +5 more
doaj +1 more source