The standard score of girls' 800m running is 5' 05 "-4' 10 "; 4' 05 "-3' 57 "is good; 3 feet 49 inches.-good. For other grades, please refer to the relevant requirements in the National Students' Physical Health Standard.
According to the 20 14 junior high school students' physical health standard, women's 800m score of 90 or above is excellent, which is 3' 49 "; 100 is divided into 3' 35 "; 95 is divided into 3' 42 ".
average number
Is an important concept in statistics. The average in primary school mathematics generally refers to the arithmetic average, that is, the quotient obtained by dividing the sum of a set of data by the number of this set of data. In statistics, arithmetic mean is often used to represent the overall level of statistical objects, and it is a statistic that describes the position in the data set. It can be used not only to reflect the general situation and average level of a group of data, but also to compare the data of different groups and see the differences between groups.
Above content reference: Baidu Encyclopedia-Average