Quartiles. The median divides the data into two equal sets. For more information on the median, refer to the chapter on Measures of central tendency 1  : The lower quartile is the value of the middle of the first set, where 25% of the values are smaller than Q 1 and 75% are larger.uartiles. The median divides the data into two equal sets. For more information on the median, refer to the chapter on Measures of central tendency 1  : The lower quartile is the value of the middle of the first set, where 25% of the values are smaller than Q 1 and 75% are larger.
Hop on to get the meaning of HAL 9000 acronym / slang / Abbreviation. The Common / Miscellaneous / Community Acronym / Slang HAL 9000 means... AcronymsAndSlang. The HAL 9000 acronym/abbreviation definition. The HAL 9000 meaning is Heuristic Algorithmic Computer 9000 (2001 A Space Odessy). The definition of HAL 9000 by AcronymAndSlang.com
Sun Microsystems keyboard, which labels the key as Alt Graph. The meaning of the key's abbreviation is not explicitly given in many IBM PC compatible technical reference manuals. However, IBM states that AltGr is an abbreviation for alternate graphic, and Sun keyboards label the key as Alt Graph. AltGr was originally introduced as a means to produce box-drawing characters, also known as pseudographics, in text user interfaces.