Current location - Poetry Comprehensive Website - Hard-tip calligraphy - The school organized a calligraphy competition, and 10 judges gave Xiaoming the following scores: 90, 92, 90, 97, 85, 89, 92, 94, 92, 87, the median of this group.
The school organized a calligraphy competition, and 10 judges gave Xiaoming the following scores: 90, 92, 90, 97, 85, 89, 92, 94, 92, 87, the median of this group.
The order from small to large is: 85, 87, 89, 90, 90, 92, 92, 92, 94, 97,
The median is (90+92)÷2.
= 182÷2,
=9 1;
Xiao Ming's average score is (87+89+90+90+92+92+94) ÷ 8,
=726÷8,
=90.75;
A: The median of this group is 9 1, and Xiaoming's average score is 90.75.