
S2-6.2-Ch.6量度的誤差
Authored by Hoi Wong
Mathematics
8th Grade
Used 2+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A
B
C
D
Answer explanation
18. 絕對誤差 =
(80 – 79.2) cm = 0.8 cm
∴ 答案是B。
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A
B
C
D
Answer explanation
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
22. 嘉怡的真確體重的下限和上限分別為52.25 kg和52.35 kg。量得的體重的最大絕對誤差是
The lower limit and the upper limit of the actual weight of Rosa are 52.25 kg and 52.35 kg respectively. The maximum absolute error of the measured weight is
A. 0.01 kg。
B. 0.02 kg。
C. 0.05 kg。
D. 0.1 kg。
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
23. 一個水瓶的容量量得480 mL(準確至最接近的10 mL)。下列何者是該水瓶的真確容量的下限和上限?The capacity of a bottle is measured as 480 mL correct to the nearest 10 mL. Which of the following is the lower limit and the upper limit of the actual capacity of the bottle?
下限 上限
A. 470 mL 490 mL
B. 475 mL 485 mL
C. 479 mL 489 mL
D. 479.5 mL 489.5 mL
A
B
C
D
Answer explanation
23. 最大絕對誤差
=10mL/2= 5 mL
真確容量的下限
= (480 – 5) mL
= 475 mL
真確容量的上限
= (480 + 5) mL
= 485 mL
∴ 答案是B。
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
24. 一個水缸內水的體積量得26.5 m3(準確至最接近的0.5 m3)。下列何者可以是該水缸內水的 真確體積?
The volume of water in a tank is measured as 26.5 m3 correct to the nearest 0.5 m3. Which of the following can be the actual volume of water in the tank?
A. 26.0 m3
B. 26.25 m3
C. 26.75 m3
D. 27.0 m3
A
B
C
D
Answer explanation
24. 最大絕對誤差
= 0.25/2 m3 = 0.25 m3
真確體積的下限
= (26.5 – 0.25) m3
= 26.25 m3
真確體積的上限
= (26.5 + 0.25) m3
= 26.75 m3
∴
26.25m3 <真確體積<26.75m3
∴ 答案是B。
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