四分位數與盒狀圖
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
陳 嘉卿
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12 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
下列敘述哪些正確?
Q1=P75, Q2=P50 , Q3=P25
Q2就是中位數
若成績小於Q1時,表示成績排名會在班上後面的¼
若成績大於Q3時,表示成績排名會在班上前面的¼
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
下列敘述哪些正確?
一群資料中,最大資料值減去最小資料值就是這群資料的全距
Q3-Q1就是這群資料的四分位距
約有¼的資料分散在Q1和Q3之間
中位數一定在盒狀圖的正中間
盒狀圖將資料分成四部份,較長的部分,代表資料數值較多
3.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
上圖為本班數學科小考成績次數分配表(全班共有30人),下列敘述哪些正確?
Q1=82
Q2=85
Q3=91
全距=21
四分位距=10
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
如圖,下列敘述哪些正確?
甲校的全距最小
丁校的四分位距最大
丁校中間50%的學生表現最差
丙校及格人數的比例最多
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
上圖為甲、乙兩班某次數學成績的盒狀圖。若甲、乙兩班數學成績的四分位距分別為a、b;全距分別為c、d,則a、b、c、d的大小關係,下列何者正確?
a<b且c<d
a<b且c>d
a>b且c<d
a>b且c>d
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一班
二班
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
上圖為數學考試成績,已知兩班人數相同,則哪班的算術平均較高?
一班
二班
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