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  2. Frequency (statistics) - Wikipedia

    en.wikipedia.org/wiki/Frequency_(statistics)

    Decide the width of the classes, denoted by h and obtained by = (assuming the class intervals are the same for all classes). Generally the class interval or class width is the same for all classes. The classes all taken together must cover at least the distance from the lowest value (minimum) in the data to the highest (maximum) value.

  3. Vehicle size class - Wikipedia

    en.wikipedia.org/wiki/Vehicle_size_class

    This class is defined as limited to vehicles less than 4.7 m (15.4 ft) long, 1.7 m (5.6 ft) wide, 2 m (6.6 ft) high and with engine displacement at or under 2,000 cc (120 cu in). Vans, trucks and station wagons (considered commercial vehicles in Japan) in the compact size class receive a "4 number" license prefix.

  4. Class size - Wikipedia

    en.wikipedia.org/wiki/Class_size

    Florida's class size cap was established over the course of several years, in response to a statewide referendum in 2002 that amended its state constitution. Statewide, class size averages are 15.46 students per class in grades preK-3, 17.75 in grades 4–8, and 19.01 in high school. Some cities regulate class size as well.

  5. Car classification - Wikipedia

    en.wikipedia.org/wiki/Car_classification

    Minivans / MPVs. Minivan is an American car classification for vehicles that are designed to transport passengers in the rear seating rows, and have reconfigurable seats in two or three rows. The equivalent terms in British English are multi-purpose vehicle (MPV), people carrier, and people mover.

  6. Histogram - Wikipedia

    en.wikipedia.org/wiki/Histogram

    Histogram. A histogram is a visual representation of the distribution of quantitative data. The term was first introduced by Karl Pearson. [1] To construct a histogram, the first step is to "bin" (or "bucket") the range of values— divide the entire range of values into a series of intervals—and then count how many values fall into each ...

  7. Victor airways - Wikipedia

    en.wikipedia.org/wiki/Victor_airways

    The width of the airway beyond 51 NM from a navaid is 4.5 degrees on either side of the centerline (at 51 NM from a navaid, 4.5 degrees from the centerline of a radial is equivalent to 4 NM). The maximum width of the airway is at a designated changeover point between the two navaids, usually half way.

  8. Display size - Wikipedia

    en.wikipedia.org/wiki/Display_size

    Display size. On 2D displays, such as computer monitors and TVs, display size or viewable image size (VIS) refers to the physical size of the area where pictures and videos are displayed. The size of a screen is usually described by the length of its diagonal, which is the distance between opposite corners, typically measured in inches.

  9. Spectral line - Wikipedia

    en.wikipedia.org/wiki/Spectral_line

    A spectral line is a weaker or stronger region in an otherwise uniform and continuous spectrum. It may result from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies. Spectral lines are often used to identify atoms and molecules. These "fingerprints" can be compared to the previously collected ones ...