By Deb Russell. Definition: This is a term that is used, mis-used and often over used. Typically, many individuals refer to average when they really mean the arithmetic average (mean). Average can mean the mean, the median and the mode, it can refer to a geometric mean and weighted averages.Although most people use the term average for this type of calcuation: Four tests results: 15, 18, 22, 20.ivide 75 by 4: 18.75. The 'Mean' (Average) is 18.75. (Often rounded to 19). The truth of the matter is that the above calculation is considered the arithmetic mean, or often referred to as the mean average.
A traditional old-fashioned RYB color wheel. Blue-green is a color that is a representation of the color that is between blue and green on a typical traditional old-fashioned RYB color wheel. Blue-green belongs to the cyan family of colors.The source of this color is the List of Crayola crayon colors. Blue-green has been a Crayola crayon color since 1949. traditional old-fashioned RYB color wheel. Blue-green is a color that is a representation of the color that is between blue and green on a typical traditional old-fashioned RYB color wheel. Blue-green belongs to the cyan family of colors.
Similarly, when we look at a scene, our visual nerves register color in terms of the attributes of color: the amount of green-or-red; the amount of blue-or-yellow; and the brightness. To see how colors are registered in terms of the attributes of color, point at the painting by Renoir below. Note that these attributes are opposites, like hot and cold. Color nerves sense green or red â but never both; and blue or yellow â but never both. Thus, we never see bluish-yellows or reddish-greens. The opposition of these colors forms the basis of color vision. Ewald Hering (1834-1918) devised the first accurate theory of color vision.