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  2. F-test - Wikipedia

    en.wikipedia.org/wiki/F-test

    The F table serves as a reference guide containing critical F values for the distribution of the F-statistic under the assumption of a true null hypothesis. It is designed to help determine the threshold beyond which the F statistic is expected to exceed a controlled percentage of the time (e.g., 5%) when the null hypothesis is accurate.

  3. Iron - Wikipedia

    en.wikipedia.org/wiki/Iron

    The iron and steel industry is thus very important economically, and iron is the cheapest metal, with a price of a few dollars per kilogram or pound. Pristine and smooth pure iron surfaces are a mirror-like silvery-gray. Iron reacts readily with oxygen and water to produce brown-to-black hydrated iron oxides, commonly known as rust.

  4. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    An overview of ranges of mass. To help compare different orders of magnitude, the following lists describe various mass levels between 10 −67 kg and 10 52 kg. The least massive thing listed here is a graviton, and the most massive thing is the observable universe.

  5. Standard normal table - Wikipedia

    en.wikipedia.org/wiki/Standard_normal_table

    Example: To find 0.69, one would look down the rows to find 0.6 and then across the columns to 0.09 which would yield a probability of 0.25490 for a cumulative from mean table or 0.75490 from a cumulative table. To find a negative value such as -0.83, one could use a cumulative table for negative z-values [3] which yield a probability of 0.20327.

  6. List of M*A*S*H characters - Wikipedia

    en.wikipedia.org/wiki/List_of_M*A*S*H_characters

    M*A*S*H television series cast members c. 1974. Back row: Larry Linville, Wayne Rogers, and Gary Burghoff. Front row: Loretta Swit, Alan Alda, and McLean Stevenson This is a list of characters from the M*A*S*H franchise created by Richard Hooker, covering the various fictional characters appearing in the novel MASH: A Novel About Three Army Doctors (1968) and its sequels M*A*S*H Goes to Maine ...

  7. List of fictional robots and androids - Wikipedia

    en.wikipedia.org/wiki/List_of_fictional_robots...

    The Iron Man in the novel The Iron Man: A Children's Story in Five Nights by Ted Hughes, illustrated by Andrew Davidson (1968), later changed to The Iron Giant to avoid confusion with its predecessor, the comic superhero of the same name; Roy Batty, Pris, Rachael and several other Nexus-6 model androids. "Androids, fully organic in nature ...

  8. List of inventors - Wikipedia

    en.wikipedia.org/wiki/List_of_inventors

    Ronald Price Hickman (1932–2011), U.S. – designed the original Lotus Elan, the Lotus Elan +2 and the Lotus Europa, as well as the Black & Decker Workmate; Rowland Hill (1795–1879), UK – postage stamp; Maurice Hilleman (1919–2005) – vaccines against childhood diseases; Tanaka Hisashige (1799–1881), Japan – Myriad year clock

  9. List of recurring The Simpsons characters - Wikipedia

    en.wikipedia.org/wiki/List_of_recurring_The...

    Benjamin carries a calculator on his belt, Doug is overweight and wears a pocket protector, and Gary wears horn-rimmed glasses and uses ear medicine. [22] The writer of " Homer Goes to College ", Conan O'Brien partially based them on three guys he went to college with, who, he said, were "incredible nerds". [ 23 ]