Winglets Save Billions of Dollars in Fuel Costs. Transportation. Originating Technology/NASA Contribution. Anyone who has made a paper airplane knows that folding the wingtips upward makes your plane look better and fly farther, though the reasons for the latter might be a mystery.
The noun SCORE has 11 senses: 1. a number or letter indicating quality (especially of a student's performance). 2. a written form of a musical composition; parts for different instruments appear on separate staves on large pages.
The Mean. The mean of a data set is what is most often meant by the common use of the word average. It is found by first adding all the data values, then dividing by the number of values. The sum of the test scores above is 869, and there are eleven scores. Thus the mean is 869/11 = 79.