
集中趨勢複習
Authored by Lok Wong
Mathematics
9th Grade
Used 3+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
求下列各組數據的平均數。
10 cm, 52 cm, 16 cm, 72 cm, 72 cm, 60 cm
45 cm
46 cm
47 cm
48 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
求下列數據的中位數。
3, 5, 7, 1, 6, 8
4
4.5
5
5.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
六間房子的面積是40 m2、49 m2、47 m2、x m2、69 m2和24 m2。若這六間房子的平均面積是45 m2,求 x 的值。
39 m2
41 m2
43 m2
45 m2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
求下列數據的眾數。
7, 1, 1, 3, 7
1
7
1 , 7
沒有眾數
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
100對夫婦接受了有關他們育有子女人數的訪問。上表顯示訪問結果。 求這些夫婦育有子女人數的平均數
1.1
1.12
1.14
1.16
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上表顯示一經理每小時收到電郵的數量。求該經理每小時收到電郵的數量的中位數。
0
2
4
6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上表顯示一經理每小時收到電郵的數量。求該經理每小時收到電郵的數量的眾數。
1
3
1, 3
沒有眾數
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