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  2. Stanine - Wikipedia

    en.wikipedia.org/wiki/Stanine

    Stanine (STAndard NINE) is a method of scaling test scores on a nine-point standard scale with a mean of five and a standard deviation of two. Some web sources attribute stanines to the U.S. Army Air Forces during World War II .

  3. Sten scores - Wikipedia

    en.wikipedia.org/wiki/Sten_scores

    Unlike stanine scores, which have a midpoint of five, sten scores have no midpoint (the midpoint is the value 5.5). Like stanines, individual sten scores are demarcated by half standard deviations. Thus, a sten score of 5 includes all standard scores from -.5 to zero and is centered at -0.25 and a sten score of 4 includes all standard scores ...

  4. 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.

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  6. College Scholastic Ability Test - Wikipedia

    en.wikipedia.org/wiki/College_Scholastic_Ability...

    Except for the English and Korean-history sections, grades are based on a stanine curve. Grade, percentile, and a standard score for each section and subject are added to the transcript. The standard score is calculated by the following formula: = + and are standard scores.

  7. Normal curve equivalent - Wikipedia

    en.wikipedia.org/wiki/Normal_curve_equivalent

    In educational statistics, a normal curve equivalent (NCE), developed for the United States Department of Education by the RMC Research Corporation, [1] is a way of normalizing scores received on a test into a 0-100 scale similar to a percentile rank, but preserving the valuable equal-interval properties of a z-score.

  8. Seven-number summary - Wikipedia

    en.wikipedia.org/wiki/Seven-number_summary

    The middle three values – the lower quartile, median, and upper quartile – are the usual statistics from the five-number summary and are the standard values for the box in a box plot.

  9. Food poisoning is extremely common. But that doesn't ... - AOL

    www.aol.com/food-poisoning-extremely-common...

    Few things will put a damper on your vacation or holiday faster than food poisoning. The intense stomach pain, rushing to the toilet and feeling relegated to bed keeps just about everyone out of ...