Question

The accepted value is 1.43. Which correctly describes this student experimental data? Trial 1:

Measurement= 1.29; Trial 2 Measurement= 1.93; and Trial 3: Measurement = 0.88.



A. Accurate but not precise. C. both accurate and precise

B. Precise but not accurate D. neither accurate nor precise​

Answer 1

Answer:

D

accuracy close to true value

precise it does not have a correct definition but if the measurement taken by us is closer to the another measurement and it is said to be precise

Answer 2

The student's experimental data is neither accurate nor precise​.

• Accuracy is a state or quantity that indicates how close the experimemtal value is to the accepted value.
• Precision is a state or quantity that tells about the consistancy of the experiment, that is, the values obtained from the repeated experiments must be the same or very close.
• None of the measurements from the trails, that is, 1.29, 1.93 and 0.88, are close to 1.43, so these values are not accurate.

• The vales, 1.29, 1.93 and 0.88 are not close to each other either, so they are not precise.