9. Look again at the fi gure of a thermometer. What is the absolute error of the temperaturereading?
A. ± 0.05 °C
B. ± 0.5 °C

C. ± 1.0 °C
D. ± 5.0 °C

10. What information does the “standard deviation” of a mean value tell us?
A. It gives us the healthy range of values for the measured physiologicalquantity.
B. It is the range within which 68 % of measured values are found.
C. It tells us that the measured values are normally distributed.
D. It tells us the number of values that were used to calculate the mean.

11. On a clinical thermometer where the smallest scale interval is 0.1 °C, a person’stemperature is measured to be 37.7 °C. Which of the listed temperatures couldNOT be the person’s true temperature?
A. 37.72 °C
B. 37.76 °C
C. 37.67 °C
D. 37.685 °C