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In statistics, a moving average ( rolling average or running average or moving mean [1] or rolling mean) is a calculation to analyze data points by creating a series of averages of different selections of the full data set. Variations include: simple, cumulative, or weighted forms. Mathematically, a moving average is a type of convolution.
Alan Webb, the U.S. national and high school record holder. This is a list of American high school students who have run a four-minute mile since the feat was first accomplished in 1964. The first person to run the mile (1,760 yards, or 1,609.344 metres) in under four minutes was Roger Bannister in 1954, in a time of 3:59.4. [1]
While Bob Gibson has the lowest ERA in modern times (1.12 in the National League in 1968), the average ERA was 2.99 that year (the so-called Year of the Pitcher) and so Gibson's ERA+ is 258, eighth highest since 1900. 1968 was the last year that Major League Baseball employed the use of a pitcher's mound at 15 inches (380 mm), since 10 inches ...
Just Words. If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online! By Masque Publishing. Advertisement. Advertisement. Feedback. Help. Join AOL.
Cross country running is a sport in which teams and individuals run a race on open-air courses over natural terrain such as dirt or grass. The course, typically 3–12 kilometres (1.9–7.5 mi) long, may include surfaces of grass and earth , pass through woodlands and open country, and include hills , flat ground and sometimes gravel road and ...
This is a list of some of the records relating to home runs hit in baseball games played in the Major Leagues.Some Major League records are sufficiently notable to have their own page, for example the single-season home run record, the progression of the lifetime home run record, and the members of the 500 home run club.
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440-yard dash. The 440-yard dash, or quarter-mile race, is a sprint race in track and field competitions. In many countries, athletes compete in the 440 yard dash (402.336 m) – which corresponds to a quarter mile. Many athletic tracks are 440 yards per lap.