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In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that quantity. It can refer to the value of a statistic calculated from a sample of data, the value of one parameter for a hypothetical population, or to the equation that operationalizes how statistics or parameters lead to the effect size ...
List of world records in swimming - Wikipedia
By comparison, the total mass of all the stars in the Milky Way is estimated to be between 4.6 × 10 10 M ☉ [146] and 6.43 × 10 10 M ☉. [ 141 ] In addition to the stars, there is also interstellar gas, comprising 90% hydrogen and 10% helium by mass, [ 147 ] [ unreliable source? ] with two thirds of the hydrogen found in the atomic form and ...
The total annual direct cost of overweight and obesity in Australia in 2005 was A$21 billion. Overweight and obese Australians also received A$35.6 billion in government subsidies. [246] The estimated range for annual expenditures on diet products is $40 billion to $100 billion in the US alone. [247]
Sir Isaac Newton (25 December 1642 – 20 March 1726/27 [a]) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher. [5]
"Democratic backsliding" in the 2010s were attributed to economic inequality and social discontent, [146] personalism, [147] poor government's management of the COVID-19 pandemic, [148] [149] as well as other factors such as manipulation of civil society, "toxic polarization", foreign disinformation campaigns, [150] racism and nativism ...
The PLATO system was launched in 1960 at the University of Illinois and subsequently commercially marketed by Control Data Corporation.It offered early forms of social media features with innovations such as Notes, PLATO's message-forum application; TERM-talk, its instant-messaging feature; Talkomatic, perhaps the first online chat room; News Report, a crowdsourced online newspaper, and blog ...
They also tried to standardize measurement of length to a high degree of accuracy. They designed a ruler—the Mohenjo-daro ruler—whose unit of length (approximately 1.32 inches or 3.4 centimeters) was divided into ten equal parts. Bricks manufactured in ancient Mohenjo-daro often had dimensions that were integral multiples of this unit of ...