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  2. Pearson correlation coefficient - Wikipedia

    en.wikipedia.org/wiki/Pearson_correlation...

    Then let x and y be ordered 5-element vectors containing the above data: x = (1, 2, 3, 5, 8) and y = (0.11, 0.12, 0.13, 0.15, 0.18). By the usual procedure for finding the angle θ between two vectors (see dot product ), the uncentered correlation coefficient is

  3. Table of specific heat capacities - Wikipedia

    en.wikipedia.org/wiki/Table_of_specific_heat...

    For gases, departure from 3 R per mole of atoms is generally due to two factors: (1) failure of the higher quantum-energy-spaced vibration modes in gas molecules to be excited at room temperature, and (2) loss of potential energy degree of freedom for small gas molecules, simply because most of their atoms are not bonded maximally in space to ...

  4. List of common display resolutions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_display...

    The resolution of 960H depends on whether the equipment is PAL or NTSC based: 960H represents 960 x 576 (PAL) or 960 x 480 (NTSC) pixels. [ 29 ] 960H represents an increase in pixels of some 30% over standard D1 resolution, which is 720 x 576 pixels (PAL), or 720 x 480 pixels (NTSC).

  5. Poland - Wikipedia

    en.wikipedia.org/wiki/Poland

    The highest summit of the Sudetes massif is Mount Śnieżka at 1,603.3 metres (5,260 ft), shared with the Czech Republic. [185] The lowest point in Poland is situated at Raczki Elbląskie in the Vistula Delta, which is 1.8 metres (5.9 ft) below sea level. [177] Morskie Oko alpine lake in the Tatra Mountains. Poland has one of the highest ...

  6. Archimedes - Wikipedia

    en.wikipedia.org/wiki/Archimedes

    Archimedes gives the value of the square root of 3 as lying between ⁠ 265 / 153 ⁠ (approximately 1.7320261) and ⁠ 1351 / 780 ⁠ (approximately 1.7320512) in Measurement of a Circle. The actual value is approximately 1.7320508, making this a very accurate estimate. He introduced this result without offering any explanation of how he had ...