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  2. Rate of return - Wikipedia

    en.wikipedia.org/wiki/Rate_of_return

    For example, if someone purchases 100 shares at a starting price of 10, the starting value is 100 x 10 = 1,000. If the shareholder then collects 0.50 per share in cash dividends, and the ending share price is 9.80, then at the end the shareholder has 100 x 0.50 = 50 in cash, plus 100 x 9.80 = 980 in shares, totalling a final value of 1,030.

  3. Standard error - Wikipedia

    en.wikipedia.org/wiki/Standard_error

    Mathematically, the variance of the sampling mean distribution obtained is equal to the variance of the population divided by the sample size. This is because as the sample size increases, sample means cluster more closely around the population mean.

  4. Chargaff's rules - Wikipedia

    en.wikipedia.org/wiki/Chargaff's_rules

    It does not apply to organellar genomes (mitochondria and plastids) smaller than ~20-30 kbp, nor does it apply to single stranded DNA (viral) genomes or any type of RNA genome. The basis for this rule is still under investigation, although genome size may play a role. Histogram showing how 20309 chromosomes adhere to Chargaff's second parity rule

  5. Algorithm - Wikipedia

    en.wikipedia.org/wiki/Algorithm

    Merge sorting is an example of divide and conquer, where an unordered list can be divided into segments containing one item and sorting of the entire list can be obtained by merging the segments. A simpler variant of divide and conquer is called a decrease-and-conquer algorithm , which solves one smaller instance of itself, and uses the ...

  6. Chi-squared distribution - Wikipedia

    en.wikipedia.org/wiki/Chi-squared_distribution

    It enters all analysis of variance problems via its role in the F-distribution, which is the distribution of the ratio of two independent chi-squared random variables, each divided by their respective degrees of freedom. Following are some of the most common situations in which the chi-squared distribution arises from a Gaussian-distributed sample.

  7. Human sex ratio - Wikipedia

    en.wikipedia.org/wiki/Human_sex_ratio

    Human sex at birth was also analyzed and used as an example by Jacob Bernoulli in Ars Conjectandi (1713), in which an unequal sex ratio is a natural example of a Bernoulli trial with uneven odds. Willem 's Gravesande (1774) also studied it. [27] Pierre-Simon Laplace (1778) used human sex ratio as an example in his development of probability ...

  8. Aristotle - Wikipedia

    en.wikipedia.org/wiki/Aristotle

    [99] [100] This style is common in modern biology when large amounts of data become available in a new field, such as genomics. It does not result in the same certainty as experimental science, but it sets out testable hypotheses and constructs a narrative explanation of what is observed. In this sense, Aristotle's biology is scientific. [99]

  9. Natural law - Wikipedia

    en.wikipedia.org/wiki/Natural_law

    [99] [100] Norman Doe notes that St. Germain's view "is essentially Thomist", quoting Thomas Aquinas's definition of law as "an ordinance of reason made for the common good by him who has charge of the community, and promulgated". [101] Sir Edward Coke was the preeminent jurist of his time. [102]