Precision in Measurement Answers

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For the weight of the box that she measured, Beatriz determined the margin of error as 23.5 pounds to 24.5 pounds. What was the greatest possible error for her actual measurement?

A
0.5 pounds
B
1 pound
C
24 pounds
D
24.5 pounds
2
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What is the greatest possible error if Jamal measured the length of the walkway as 15.5 meters?

A
0.05 meters
B
0.5 meters
C
15.45 meters
D
15.55 meters
3

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.
4

What is the greatest possible error if Bruce measured a buckle as 3.2 cm using the ruler?

Question illustration
A
0.5
B
0.05
C
0.005
D
0.0005
5

What is the greatest possible error if Irina measured the length of her window as 3.35 feet?

A
0.5
B
0.05
C
0.005
D
0.0005
6

A scale measured a 4.5-pound brick as weighing 5.3 pounds. Which measurement is more accurate but less precise than 5.3 pounds?

A
4.98 pounds
B
5 pounds
C
5.52 pounds
D
6 pounds
7

Which values have exactly three significant figures? Select two options.

A
0.0230 grams
B
0.035 ounces
C
0.804 inches
D
3.150 liters
E
140 feet
8

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.
9

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
10

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

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