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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."
Typically, they are provided during summer. Holiday breaks and after school are options too. [4] In order for a student to receive ESY services, the student must have evidenced substantial regression and recoupment issues during the previous IEP year and/or there is evidence of emerging skills which are often referred to as "breakthrough" skills.
In addition, advocates for a return to a later, more traditional start to the school day caution that extending school time by beginning the day even earlier in the morning can be counterproductive and even unhealthy, interfering with the sleep needs of middle and high school students in the many schools where the first bell already rings in ...
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 ...
A back-of-the-envelope calculation is a rough calculation, typically jotted down on any available scrap of paper such as an envelope. It is more than a guess but less than an accurate calculation or mathematical proof. The defining characteristic of back-of-the-envelope calculations is the use of simplified assumptions.
A Fermi problem (or Fermi question, Fermi quiz), also known as an order-of-magnitude problem, is an estimation problem in physics or engineering education, designed to teach dimensional analysis or approximation of extreme scientific calculations. Fermi problems are usually back-of-the-envelope calculations.
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]
For example, some amusement parks are closed during the winter months and keep only a skeleton crew on hand for maintenance and office work. As a result of this cutback in staffing during the off season, employees who operate rides, or run gaming stands or staff concession stands may be classified as part-time workers owing to the months-long ...