(11·丹东)一组数据:12,13,15,14,16,18,19,14.则这组数据的极

(11·丹东)一组数据:12,13,15,14,16,18,19,14.则这组数据的极差是____________.

答案

7解析:

相关题目

下列计算正确的是(    ) A.3a+4b=7ab      B.(ab3)3=ab6   
下列计算正确的是(    ) A.3a+4b=7ab      B.(ab3)3=ab6      C.(a+2)2=a2+4      D.x12÷x6=x6
在测定小灯泡的额定功率的实验中.小灯泡的额定电压为2.5V
在测定小灯泡的额定功率的实验中.小灯泡的额定电压为2.5V.小灯泡的电阻大约是10Ω,两个规格分别是“l0Ω,1A、“50Ω,5A·,的滑动变阻器.电源电
I have reserved a flight ticket in your name and asked them to        it
I have reserved a flight ticket in your name and asked them to        it to us in the afternoon. A.point        B.introduce          C.describe               D
下列运算中,结果正确的是(    )A.B.C.D.
下列运算中,结果正确的是(    )A.B.C.D.
(5分)如图为速力菲补血剂的说明书。(1)蔗糖(C12H22O6)在
(5分)如图为速力菲补血剂的说明书。(1)蔗糖(C12H22O6)在酶的催化作用下与水作用只生成葡萄糖(C6H12O6 ),则1分子蔗糖完全与水作用可得_____分子葡萄
Survey Studies Internet Use in China A typical(典型的) Chinese Internet user
Survey Studies Internet Use in China A typical(典型的) Chinese Internet user is a young male who prefers instant messaging to e-mail, seldom makes online purchases(购买) and favors news, music
When I opened my e-mail the other day, a pretty woman named Rachel appeared on m
When I opened my e-mail the other day, a pretty woman named Rachel appeared on my computer screen. She greeted me by name and started talking with great enthusiasm. Every now and then she stopped to s
15.阅读下面两则材料,回答问题。 材料一:近年来清明节
15.阅读下面两则材料,回答问题。 材料一:近年来清明节祭奠亲友,一些地方从烧冥钞、纸人、纸马,发展到烧纸电视机、纸数码相机,甚至烧纸汽