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Alpha is a measure of the active return on an investment, the performance of that investment compared with a suitable market index.An alpha of 1% means the investment's return on investment over a selected period of time was 1% better than the market during that same period; a negative alpha means the investment underperformed the market.
[41] [42] For instance, the certainty of the Higgs boson particle's existence was based on the 5σ criterion, which corresponds to a p-value of about 1 in 3.5 million. [ 42 ] [ 43 ] In other fields of scientific research such as genome-wide association studies , significance levels as low as 5 × 10 −8 are not uncommon [ 44 ] [ 45 ] —as the ...
1 in 390 682 215 445: Every 1.07 billion years (four occurrences in history of Earth) μ ± 7.5σ: 0.999 999 999 999 936: 6.382 × 10 −14 = 63.82 ppq: 1 in 15 669 601 204 101: Once every 43 billion years (never in the history of the Universe, twice in the future of the Local Group before its merger) μ ± 8σ: 0.999 999 999 999 999: 1.244 × ...
The average wages of those in the top 1 percent of wage earners were $785,968 that year. In the rarefied top 0.1 percent, the average earnings were more than $2.8 million in 2022.
In every year, the number of males born in London exceeded the number of females. Considering more male or more female births as equally likely, the probability of the observed outcome is 1/2 82, or about 1 in 4,836,000,000,000,000,000,000,000; in modern terms, the p-value. This is vanishingly small, leading Arbuthnot that this was not due to ...
This is a list of the world's countries measuring the income of the richest one percent each (before taxes and transfers). The source of the data is the United Nations Development Programme, and refers to the latest available date. [1]
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