Q:

Say that someone’s body temperature is measured by four different devices and the resulting four measurements are given below

0

Say that someone’s body temperature is measured by four different devices and

the resulting four measurements are given below. Which reading has an absolute

error of ± 0.05 °C?


  1. 38 °C
  2. 37.8 °C
  3. 37.85 °C
  4. 37.855 °C

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B: absolute error is plus or minus half the smallest scale interval.

Two times 0.05 = 0.1, so the smallest scale interval is 0.1 of a degree which

applies to the 37.8 °C value.

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