leptokurtic — /lep teuh kerr tik/, adj. Statistics. 1. (of a frequency distribution) being more concentrated about the mean than the corresponding normal distribution. 2. (of a frequency distribution curve) having a high, narrow concentration about the mode.… … Universalium
leptokurtic — adjective Said of a distribution if it has positive kurtosis. Syn: leptokurtotic, fat tailed Ant: platykurtic See Also: kurtosis … Wiktionary
leptokurtic — lep·to·kur·tic (lep″to kurґtik) [lepto + Gr. kurtos convex] pertaining to a probability distribution more heavily concentrated around the mean, i.e., having a sharper, narrower peak, than the normal distribution with the same variance. Cf.… … Medical dictionary
leptokurtic — lep·to·kur·tic … English syllables
leptokurtic — | ̷ ̷ ̷ ̷|kərd.ik adjective Etymology: lept + Greek kyrtos bulging, convex, curved + English ic; akin to Latin curvus bent, curved more at crown 1. of a frequency distribution curve : being more peaked than the corresponding normal distribution… … Useful english dictionary
Kurtosis — In probability theory and statistics, kurtosis (from the Greek word κυρτός, kyrtos or kurtos, meaning bulging) is any measure of the peakedness of the probability distribution of a real valued random variable.[1] In a similar way to the concept… … Wikipedia
leptokurtosis — ˌ ̷ ̷ ̷ ̷ˌkərˈtōsə̇s noun Etymology: New Latin, from English leptokurtic + New Latin osis : the condition of being leptokurtic * * * /lep toh kerr toh sis/, n. Statistics. the state of being leptokurtic. [1905 10; NL; see … Useful english dictionary
leptokurtosis — /lep toh kerr toh sis/, n. Statistics. the state of being leptokurtic. [1905 10; < NL; see LEPTOKURTIC, OSIS] * * * … Universalium
Frequency distribution — In statistics, a frequency distribution is an arrangement of the values that one or more variables take in a sample. Each entry in the table contains the frequency or count of the occurrences of values within a particular group or interval, and… … Wikipedia
Moment (mathematics) — Second moment redirects here. For the technique in probability theory, see Second moment method. See also: Moment (physics) Increasing each of the first four moments in turn while keeping the others constant, for a discrete uniform distribution… … Wikipedia