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  2. Standard deviation - Wikipedia

    en.wikipedia.org/wiki/Standard_deviation

    The standard deviation of a random variable, sample, statistical population, data set, or probability distribution is the square root of its variance. It is algebraically simpler, though in practice less robust, than the average absolute deviation.

  3. Adderall - Wikipedia

    en.wikipedia.org/wiki/Adderall

    Adderall is commonly used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy (a sleep disorder).. ADHD. Long-term amphetamine exposure at sufficiently high doses in some animal species is known to produce abnormal dopamine system development or nerve damage, but, in humans with ADHD, long-term use of pharmaceutical amphetamines at therapeutic doses appears to improve brain ...

  4. Climate change - Wikipedia

    en.wikipedia.org/wiki/Climate_change

    Oxfam found that in 2023 the wealthiest 10% of people were responsible for 50% of global emissions, while the bottom 50% were responsible for just 8%. Production of emissions is another way to look at responsibility: under that approach, the top 21 fossil fuel companies would owe cumulative climate reparations of $5.4 trillion over the period ...

  5. Industrial Revolution - Wikipedia

    en.wikipedia.org/wiki/Industrial_Revolution

    Bradford grew by 50% every ten years between 1811 and 1851, and by 1851 only 50% of the population of Bradford were actually born there. [161] In addition, between 1815 and 1939, 20% of Europe's population left home, pushed by poverty, a rapidly growing population, and the displacement of peasant farming and artisan manufacturing.

  6. Arizona - Wikipedia

    en.wikipedia.org/wiki/Arizona

    Arizona is the sixth largest state by area, ranked after New Mexico and before Nevada. Of the state's 113,998 square miles (295,000 km 2 ), approximately 15% is privately owned. The remaining area is public forest and parkland, state trust land and Native American reservations.

  7. Attention deficit hyperactivity disorder - Wikipedia

    en.wikipedia.org/wiki/Attention_deficit...

    0.8–1.5% (2019, using DSM-IV-TR and ICD-10) [2] Attention deficit hyperactivity disorder ( ADHD) is a neurodevelopmental disorder characterised by executive dysfunction occasioning symptoms of inattention, hyperactivity, impulsivity and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and otherwise age ...

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