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.
Variability refers to how spread out a group of scores is. To see what we mean by spread out, consider graphs in Figure 1. These graphs represent the scores on two quizzes. The mean score for each quiz is 7.0.