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The United States National Chemistry Olympiad (or USNCO) is a contest held by the American Chemical Society (ACS) used to select the four-student team that represents the United States at the International Chemistry Olympiad (IChO). Each local ACS section selects 10 students (or more for larger ACS sections) to take the USNCO National Exam.
Grant Nelson and Chris Youngblood each scored 15 points and No. 3 Alabama held off a late Arkansas run to deal the Razorbacks' NCAA Tournament hopes a serious blow with an 85-81 win on Saturday night.
All the communities near Tunica Lake are located in Mississippi. The present-day town of Austin was historically located directly along the east bank of Fox Island Bend. In 1884, the area was flooded when a nearby levee broke, and when the floodwaters receded, steamboats could no longer land because a large sandbar had been left between Austin and the Mississippi River.
Location of Johnson County in Arkansas. This is a list of the National Register of Historic Places listings in Johnson County, Arkansas. This is intended to be a complete list of the properties on the National Register of Historic Places in Johnson County, Arkansas, United States. The locations of National Register properties for which the ...
Texas State outyarded the Red Wolves, had 36 more plays from scrimmage and held an eight-minute advantage in possession time — yet lost by 46 points Saturday to an opponent that entered the game ...
The Arkansas Razorbacks men's basketball statistical leaders are individual statistical leaders of the Arkansas Razorbacks men's basketball program in various categories, including points, rebounds, assists, steals, and blocks. Within those areas, the lists identify single-game, single-season, and career leaders.
It is scored out of 100, with a higher score denoting better cognitive function. At the recommended cut-off scores of 88 and 83, the ACE was reported to have good sensitivity and specificity for identifying different forms of dementia and other impairments of memory and judgement (0.93 and 0.71; 0.82 and 0.96, respectively). [5]
Youden's index is often used in conjunction with receiver operating characteristic (ROC) analysis. [4] The index is defined for all points of an ROC curve, and the maximum value of the index may be used as a criterion for selecting the optimum cut-off point when a diagnostic test gives a numeric rather than a dichotomous result.