Asymptotic Improvement of the Usual Confidence Set in a Multivariate Normal Distribution with Unknown Variance

Estimation of Variance of Normal Distribution using Ranked Set Sampling

Introduction     In some biological, environmental or ecological studies, there are situations in which obtaining exact measurements of sample units are much harder than ranking them in a set of small size without referring to their precise values. In these situations, ranked set sampling (RSS), proposed by McIntyre (1952), can be regarded as an alternative to the usual simple random sampling ...

Multivariate Normal Distribution and Confidence Ellipses

the Normal Distribution's familiar "bell curve". The latter term can be interpreted as a description of squared of distance (x  between some value of x who's probability is being assessed (along the x axis), and  the center of the probability density distribution, "standardized" by the distribution's known variance 2. It should be noted that f(x) only depends on this single scalar range var...

Screening for a Multivariate Mixture Normal Distribution

the effect of a selfregulatory approach on the improvement of efl learners listening comprehension

تاثیر آموزش مهارت خود محوری بر روی ارتقاء مهارت شنیداری زبان آموزان هدف این پژوهش بررسی عوامل موثر در ارتقا مهارت شنیداری زبان آموزان ایرانی بود. در مرحله اول این تحقیق پژوهشگر پس از انجام مصاحبه نود زبان آموز را با استفاده از تست ایلتس انتخاب شدند. برای بررسی عوامل عوامل موثر در ارتقا مهارت شنیداری زبان آموزان ایرانی از دو نوع فیلم ویرایش شده و ویرایش نشده استفاده گردید.برای انجام تح...

an investigation of the types of text reduction in subtitling: a case study of the persian film gilaneh with english subtitles

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