问题
填空题
请用计算器求数据271,315,263,289,300,277,286,293,297,280的平均数,结果是______
答案
数据271,315,263,289,300,277,286,293,297,280的平均数=
=287.1.271+315+236+300+277+286+293+297+280 10
故填287.1.
请用计算器求数据271,315,263,289,300,277,286,293,297,280的平均数,结果是______
数据271,315,263,289,300,277,286,293,297,280的平均数=
=287.1.271+315+236+300+277+286+293+297+280 10
故填287.1.