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The Sri Lankan Ordinary Level (O-level) formerly called Senior School Certificate (SSC), is a General Certificate of Education (GCE) qualification in Sri Lanka, conducted by the Department of Examinations of the Ministry of Education.
The mean and the standard deviation of a set of data are descriptive statistics usually reported together. In a certain sense, the standard deviation is a "natural" measure of statistical dispersion if the center of the data is measured about the mean. This is because the standard deviation from the mean is smaller than from any other point.
Science for Technology (Category B) is a compulsory subject for both Engineering and Bio-system candidates. Since the stream is relatively new, the number of schools with the facilities to teach these subjects is limited or nonexistent in some areas.
National Science Library and Resource Centre (NSLRC) (Sinhala: ජාතික විද්යා පුස්තකාලය හා සම්පත් මධ්යස්ථානය -ශ්රී ලංකාව, jātika vidyā pustakālaya hā sampat madhyasthānaya -śrī laṁkāva) of the National Science Foundation of Sri Lanka is a library, the National Focal Point for the ...
std, the C++ Standard Library namespace; std or STD means the standard deviation in many programming languages, etc. (more commonly σ, SD, std. dev., or std. deviation). Standard deviation is a measure of uncertainty or variation in data. STD Bus, a computer bus; Internet Standards (such as STD 68) Subscriber trunk dialling for long-distance ...
It is a legal deposit library, therefore it is entitled to request a free copy of every book published in Sri Lanka. [ 37 ] [ 38 ] In addition to the University Library and its dependents, almost every faculty or department has a specialised library; for example, Agriculture, Medical, Allied Health Science and Engineering faculty libraries are ...
These different means put certain groups, such as medical workers, and haemophiliacs and drug users, particularly at risk. [citation needed] It is possible to be an asymptomatic carrier of sexually transmitted infections. In particular, sexually transmitted infections in women often cause the serious condition of pelvic inflammatory disease. [80]
Genetic studies on the Sinhalese are part of population genetics investigating the origins of the Sinhalese population.. All studies agree that there is a significant relationship between the Sinhalese and the Bengalis and South Indian Tamils, and that there is a significant genetic relationship between Sri Lankan Tamils and Sinhalese.