noun, plural styli [stahy-lahy] (Show IPA), styluses. 1. an instrument of metal, bone, or the like, used by the ancients for writing on waxed tablets, having one end pointed for incising the letters and the other end blunt for rubbing out writing and smoothing the tablet. 2. any of various pointed, pen-shaped instruments used in drawing, artwork, etc. 3. Computers. a pen-shaped device used on a display screen to input commands or handwritten text or drawings. Compare joystick (def 2), mouse (def 4).
4.Audio. a. Also called cutting stylus. a needle used for cutting grooves in making a disk recording to be played on a phonograph. b. needle for reproducing the sounds of a phonograph record. 5. any of various pointed wedges used to punch holes in paper or other material, as in writing Braille. 6. any of various kinds of pens for tracing a line automatically, as on a recording seismograph or electrocardiograph.
denoting or relating to a value or quantity lying at the midpoint of a frequency distribution of observed values or quantities, such that there is an equal probability of falling above or below it.
a number expressing the central or typical value in a set of data, in particular the mode, median, or (most commonly) the mean, which is calculated by dividing the sum of the values in the set by their number.
Average sometimes is distorted by an extremely high or an extremely low entry. Median sometimes is the better measure. But they're both widely used.
Note: these are some functions in Excel and I thought it was a good learning point for me and wanted to share. You might need to know the difference when making notes about a spreadsheet you're doing or just because it's fun trivia...
either or both of a pair of signs ( ) used in writing to mark off an interjected explanatory or qualifying remark, to indicate separate groupings of symbols in mathematics and symbolic logic, etc.
Usually parentheses. the material contained within these marks.
Grammar. a qualifying, explanatory, or appositive word, phrase, clause, or sentence that interrupts a syntactic construction without otherwise affecting it, having often a characteristic intonation and indicated in writing by commas, parentheses, or dashes, as in William Smith—you must know him—is coming tonight.