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310 集中趨勢的量度

Authored by Siu C F

Mathematics

8th Grade

Used 6+ times

310 集中趨勢的量度
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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

Media Image

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

-3

-2

-1

0

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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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