Centre of Gravity of Annual Statistics
نویسندگان
چکیده
منابع مشابه
Computation of Seasonal Statistics from Annual Data for Iran's Economy
This article has no abstract.
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چکیده: فرض کنید که تابعی از اپسیلون یک مجموع نامتناهی از احتمالات موزون مربوط به مجموع های جزئی براساس یک دنباله از متغیرهای تصادفی مستقل و همتوزیع باشد، و همچنین فرض کنید توابعی مانند g و h وجود دارند که هرگاه امید ریاضی توان دوم x متناهی و امیدریاضی x صفر باشد، در این صورت می توان حد حاصلضرب این توابع را بصورت تابعی از امید ریاضی توان دوم x نوشت. حالت عکس نیز برقرار است. همچنین ما با استفاده...
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The number of births in the United States increased between 2006 and 2007 (preliminary estimate of 4,317,119) and is the highest ever recorded. Birth rates increased among all age groups (15 to 44 years); the increase among teenagers is contrary to a long-term pattern of decline during 1991-2005. The total fertility rate increased 1% in 2007 to 2122.5 births per 1000 women. This rate was above ...
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The number of births in the United States declined by 1% between 2012 and 2013, to a total of 3 932 181. The general fertility rate also declined 1% to 62.5 births per 1000 women, the lowest rate ever reported. The total fertility rate was down by 1% in 2013 (to 1857.5 births per 1000 women). The teenage birth rate fell to another historic low in 2013, 26.5 births per 1000 women. Birth rates al...
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ژورنال
عنوان ژورنال: Nature
سال: 1910
ISSN: 0028-0836,1476-4687
DOI: 10.1038/084104c0