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Kona Low over Hawaii, an example of a cut-off low from the main core of the jet stream. [1]A cut-off low (or cutoff low), sometimes referred to as the weatherman's woe, is defined by the National Weather Service as "a closed upper-level low which has become completely displaced (cut off) from basic westerly current, and moves independently of that current."
Grading in education is the application of standardized measurements to evaluate different levels of student achievement in a course. Grades can be expressed as letters (usually A to F), as a range (for example, 1 to 6), percentages, or as numbers out of a possible total (often out of 100).
Some charts are specific to a particular musical genre and most to a particular geographical location. The most common period of time covered by a chart is one week, with the chart being printed or broadcast at the end of this time. Summary charts for years and decades are then calculated from their component weekly charts.
Christmas or Winter Break – Varies in length per school; usually starts on the third Saturday in December and ends a day or two after New Year's Day (sometimes the first Monday after New Year's Day), unless New Year's Day falls on a Sunday in which case the first Monday (January 2) is the official holiday and schools may not begin until ...
According to a School Department data, 94 of the 208 new hires in the public schools for the current school year are people of color, an increase from the previous year, when the share was 91 of ...
Logistic regression is used in various fields, including machine learning, most medical fields, and social sciences. For example, the Trauma and Injury Severity Score (), which is widely used to predict mortality in injured patients, was originally developed by Boyd et al. using logistic regression. [6]
The normal distribution is NOT assumed nor required in the calculation of control limits. Thus making the IndX/mR chart a very robust tool. This is demonstrated by Wheeler using real-world data [4], [5] and for a number of highly non-normal probability distributions. [6]
Prior to incorporating chart data from Nielsen SoundScan (from 1991), year-end charts were calculated by an inverse-point system based solely on a title's performance (for example a single appearing on the Billboard Hot 100 would be given one point for a week spent at position 100, two points for a week spent at position ninety-nine, and so forth, up to 100 points for each week spent at number ...