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集中趨勢複習

Authored by Lok Wong

Mathematics

9th Grade

Used 3+ times

集中趨勢複習
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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 m2x 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

Media Image

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

Media Image

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

Media Image

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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