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  2. Standard normal table - Wikipedia

    en.wikipedia.org/wiki/Standard_normal_table

    Standard normal table. In statistics, a standard normal table, also called the unit normal table or Z table, [1] is a mathematical table for the values of Φ, the cumulative distribution function of the normal distribution. It is used to find the probability that a statistic is observed below, above, or between values on the standard normal ...

  3. Standard score - Wikipedia

    en.wikipedia.org/wiki/Standard_score

    Comparison of the various grading methods in a normal distribution, including: standard deviations, cumulative percentages, percentile equivalents, z-scores, T-scores. In statistics, the standard score is the number of standard deviations by which the value of a raw score (i.e., an observed value or data point) is above or below the mean value of what is being observed or measured.

  4. Serbian Railways - Wikipedia

    en.wikipedia.org/wiki/Serbian_Railways

    The line connecting Serbia with south Adriatic (Belgrade-Bar) was opened in 1976. 1990–2015. During the 1990s, following the dissolution of the Socialist Federal Republic of Yugoslavia, railways in Serbia suffered the lack of maintenance of infrastructure and the level of traffic, especially cargo, decreased dramatically. As of 2000, Serbian ...

  5. KWL table - Wikipedia

    en.wikipedia.org/wiki/KWL_table

    KWL table. A KWL table, or KWL chart, is a graphical organizer designed to help in learning. The letters KWL are an acronym, for what students, in the course of a lesson, already k now, w ant to know, and ultimately l earn. It is a part of the constructivist teaching method where students move away from what are considered traditional methods ...

  6. 8 Best Inversion Tables - Healthline

    www.healthline.com/health/inversion-table

    A quick look at the best inversion tables. Best for beginners: Innova ITX9800 Inversion Table, Health Gear ITM5500 Advanced Technology Inversion Table, Teeter Fitspine LX9 Inversion Table. Best ...

  7. Harkness table - Wikipedia

    en.wikipedia.org/wiki/Harkness_table

    Harkness table. The Harkness table, Harkness method, or Harkness discussion is a teaching and learning method involving students seated in a large, oval configuration to discuss ideas in an encouraging, open-minded environment with only occasional or minimal teacher intervention.

  8. Sine bar - Wikipedia

    en.wikipedia.org/wiki/Sine_bar

    A sine table (or sine plate) is a large and wide sine bar, typically equipped with a mechanism for locking it in place after positioning, which is used to hold workpieces during operations. Compound sine table. It is used to measure compound angles of large workpiece. In this case, two sine tables are mounted one over the other at right angles.

  9. Confusion matrix - Wikipedia

    en.wikipedia.org/wiki/Confusion_matrix

    Table of confusion. In predictive analytics, a table of confusion (sometimes also called a confusion matrix) is a table with two rows and two columns that reports the number of true positives, false negatives, false positives, and true negatives. This allows more detailed analysis than simply observing the proportion of correct classifications ...