Life is a characteristic distinguishing physical entities having biological processes (such as signaling and self-sustaining processes) from those that do not, either because such functions have ceased (death), or because they lack such functions and are classified as inanimate.he chemistry leading to life may have begun shortly after the Big Bang, 13.8 billion years ago, during a habitable epoch when the Universe was only 10â17 million years old. Though life is confirmed only on the Earth, many think that extraterrestrial life is not only plausible, but probable or inevitable.
In statistics, the studentized range is the difference between the largest and smallest data in a sample measured in units of sample standard deviations. The studentized range, q, is named for William Sealy Gosset (who wrote under the pseudonym  Student ), and was initially evoked by him (1927).The concept was later presented by a number of actual students, Newman (1939) and Keuls (1952) and John Tukey in some unpublished notes.n statistics, the studentized range is the difference between the largest and smallest data in a sample measured in units of sample standard deviations. The studentized range, q, is named for William Sealy Gosset (who wrote under the pseudonym  Student ), and was initially evoked by him (1927).
Percentile Rank Range (PR Range) indicates the statistical variabilit y in a studentâs percentile rank. score. For example, a student with a percentile rank ra nge of 32â59 is likely to score within that range. if the STAR Math test is taken again within a short time (i.e., four to six weeks). Normal Curve Equivalent (NCE) is a norm-referenced score similar to percentile rank but based on. an equal interval scale. This means that the diff erence between any two successive scores on the NCE scale has the same meaning throughout the scale. NCEs are useful in making comparisons between different achievement tests and for statistical computations such as determining an average score for a group of students. NCE scores range from 1 to 99.