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  2. Log-normal distribution - Wikipedia

    en.wikipedia.org/wiki/Log-normal_distribution

    Since the sample mean and variance are independent, and the sum of normally distributed variables is also normal, we get that: ^ + ˙ (+, + ()) Based on the above, standard confidence intervals for + can be constructed (using a Pivotal quantity) as: ^ + + And since confidence intervals are preserved for monotonic transformations, we get that

  3. Bracket - Wikipedia

    en.wikipedia.org/wiki/Bracket

    The chemical formula for water, H 2 O, was represented as }. [31] Curly brackets in programming languages. In many ... Sample Quine corners [15] U+231C ...

  4. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    The chemical formula of the liquid crystals used in LCDs may vary. Formulas may be patented. [4] An example is a mixture of 2-(4-alkoxyphenyl)-5-alkylpyrimidine with cyanobiphenyl, patented by Merck and Sharp Corporation. The patent that covered that specific mixture expired. [5]