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Measurement, accuracy and precision
Lower Sec Science · Secondary 1 · Medium · Measurement, accuracy and precision
Two students measure the mass of a beaker and its contents three times.
Student A: 152.3 g, 152.4 g, 158.9 g
Student B: 149.8 g, 150.0 g, 149.9 g
Which student’s readings are more precise?
Student A: 152.3 g, 152.4 g, 158.9 g
Student B: 149.8 g, 150.0 g, 149.9 g
Which student’s readings are more precise?
- Student A, because the numbers are larger
- Student A, because one reading is very different
- Student B, because the readings are close together
- Student B, because the readings are all below 151 g
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