Precision in Measurement Answers

10 verified answers1 views
3

Craig measured a length as 0.034 millimeters. What is the margin of error?

A
0.03 mm to 0.04 mm
B
0.033 mm to 0.034 mm
C
0.0335 mm to 0.0345 mm
D
0.0345 mm to 0.0350 mm
4

Marta measured the temperature as 65°F. What is the margin of error?

A
60°F to 70°F
B
64°F to 66°F
C
64.5°F to 65.5°F
D
65.5°F to 66.5°F
5

According to the instruction manual, Sam's camera screen is 2.7 inches long. He measured its length using the two rulers shown. Which is true about the accuracy and precision of the rulers?

Question illustration
A
The measurement found using Ruler 1 is more accurate and more precise.
B
The measurement found using Ruler 2 is more accurate and more precise.
C
The measurement found using Ruler 1 is more accurate but less precise.
D
The measurement found using Ruler 1 is more precise but less accurate.
6

Will measured the diameter of a penny as 1.9 cm using the ruler.

Question illustration
A
1.5 cm to 2.0 cm
B
1.5 cm to 2.5 cm
C
1.85 cm to 1.95 cm
D
1.90 cm to 1.95 cm
10

Luka and Anja each measured the height of their friend three times. Their friend is 59 inches tall. They recorded their measurements as shown.Luka:59 in., 58, in., 58 in.Anja:59.3 in., 59.6 in., 58.2 in.

A
Luka’s measurements are more precise and more accurate.
B
Anja’s measurements are more precise and more accurate.
C
Luka’s measurements are more precise, but Anja’s measurements are more accurate.
D
Luka’s measurements are more accurate, but Anja’s measurements are more precise.

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