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The 1982 Lake Waco Murders refers to the deaths of three teenagers (two females, one male) near Lake Waco in Waco, Texas, in July 1982.The police investigation and criminal trials that followed the murders lasted for more than a decade and resulted in the execution of one man, David Wayne Spence, and life prison sentences for two other men allegedly involved in the crime, Anthony and Gilbert ...
The Waco siege, also known as the Waco massacre, [7][8][9][10] was the siege by U.S. federal government and Texas state law enforcement officials of a compound belonging to the religious cult known as the Branch Davidians, between February 28 and April 19, 1993. [11] The Branch Davidians, led by David Koresh, were headquartered at Mount Carmel ...
In probability theory and statistics, skewness is a measure of the asymmetry of the probability distribution of a real -valued random variable about its mean. The skewness value can be positive, zero, negative, or undefined. For a unimodal distribution (a distribution with a single peak), negative skew commonly indicates that the tail is on the ...
A Barr body (named after discoverer Murray Barr) [1] or X-chromatin is an inactive X chromosome. In species with XY sex-determination (including humans), females typically have two X chromosomes, [2] and one is rendered inactive in a process called lyonization. Errors in chromosome separation can also result in male and female individuals with ...
The range-bar method was first introduced by Mary Eleanor Spear in her book "Charting Statistics" in 1952 [4] and again in her book "Practical Charting Techniques" in 1969. [5] The box-and-whisker plot was first introduced in 1970 by John Tukey , who later published on the subject in his book "Exploratory Data Analysis" in 1977.
e. In statistics, a misleading graph, also known as a distorted graph, is a graph that misrepresents data, constituting a misuse of statistics and with the result that an incorrect conclusion may be derived from it. Graphs may be misleading by being excessively complex or poorly constructed. Even when constructed to display the characteristics ...
Sarah Baartman (Afrikaans: [ˈsɑːra ˈbɑːrtman]; c. 1789 – 29 December 1815), also spelled Sara, sometimes in the diminutive form Saartje (Afrikaans pronunciation: [ˈsɑːrtʃi]), or Saartjie, and Bartman, Bartmann, was a Khoikhoi woman who was exhibited as a freak show attraction in 19th-century Europe under the name Hottentot Venus, a name that was later attributed to at least one ...
CBSNews. Updated October 4, 2024 at 7:29 AM. Twelve bodies — all bearing signs of torture and left with messages by cartels — were found on Thursday in the central Mexican state of Guanajuato ...