平均中位眾數
8th Grade
•12 Qs
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平均中位眾數
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
hang ku
Used 2+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小新讀課外書，五天分別讀了27頁、28頁、29頁、30頁和31頁，平均一天讀了多少頁？
27頁
28頁
29頁
30頁
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列说法中错误的是（ ）
A. 众数是数据中的数
B. 平均数一定不是数据中的数
C. 中位数可能是数据中的数
D. 众数、中位数、平均数有可能是同一个数
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
歌唱比赛有9位评委给选手打分，统计每位选手得分时，会去掉一个最高分和一个最低分，这样做，不受影响的统计量是（ ）
A. 平均数
B. 中位数
C. 众数
D. 极差
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列关于一名普通七年级学生的数字信息描述正确的是（ ）
A. 身高约155dm
B. 体重约45kg
C. 步行速度约8m/s
D. 体温约26℃
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
“367个同学参加一个集会，他们中至少有两个同学的生日是同月同日”这个事件是（ ）
A. 确定性事件
B. 必然事件
C. 随机事件
D. 不可能事件
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
王叔叔把10000元钱存入银行，这里的“10000元”是（ ）
A. 存期
B. 利息
C. 利率
D. 本金
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如图，⊙O的半径为5，弦心距OC=3，则弦AB的长是（ ）
A. 4
B. 6
C. 8
D. 5
A
B
C
D
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