The statistical mean can also be used to interpret statistical data. Some important properties make statistical mean very useful for measuring central tendency. Since Xi - X is the distance from a given number to the average. The numbers to the left of the mean are balanced by the numbers to the right of the mean.
In review, vertical angles are angles formed by the intersection of two lines while alternate interior angles, alternate exterior angles, corresponding angles and consecutive interior angles are formed by the intersection of two lines and a transversal.
Angles that are exactly 90 degrees are called right angles. Angles less than 90 degrees are called as acute angles. Angles that are exactly 180 degrees is called as straight angle. Angles less than 180 degrees yet greater than 90 degrees are called as obtuse angles. Common Misspellings: Angle is often mispelled angel. Examples: The angle of a typical house rooftop is often an obtuse angle. Two lines or rays meet together to form an angle. 1  Article. Review Your Chemistry Terms with This Glossary (C) 2  Article. A Definition (in a Roundabout Way) of Periphrasis. 3  List. Excel TAN Function: Find the Tangent of an Angle. 4  List. Polygons. 5  Article. 140 Key Copyediting Terms. 6  Article. Classic Car Terms and Definitions. 7  List.