310 集中趨勢的量度
Authored by Siu C F
Mathematics
8th Grade
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求數據 2kg , 4kg , 6kg , 8kg, 10kg 的平均數。
4kg
5kg
6kg
7kg
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求數據 15m , 9m , 11m , 13m , 18m 的中位數。
9m
11m
12m
13m
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求數據 a , b , c , a , d , b , a , d 的眾數。
a
b
c
d
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
求金屬線長度的中位數。
64cm
65cm
66cm
73cm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若 4 , 8 , y , 9 , 2 的平均數是 7， 求y 。
10
11
12
13
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若 y-1 , y+1 , y-2 , y+5 , y-3 的中位數是 ， 求 y 。
-3
-2
-1
0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若美美的中、英及數成績分別為50、60及80分，
而中、英及數的權數分別為2、2、1，求美美成績的加權平均分數。
50
60
70
100
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