Question

accuracy, precision, & measurement
homework
accuracy & precision

1. compare accuracy and precision.
2. explain how to correctly record a measurement.
3. why is it so important that measurement should be recorded in the \correct\ way.

Explanation:

1. Accuracy refers to how close a measurement is to the true or accepted value. Precision refers to how close a set of measurements are to one another. High - accuracy means the measurement is correct relative to the real value, while high - precision means the measurements are repeatable.
2. When recording a measurement, we should record all certain digits plus one estimated digit. For example, if measuring with a ruler marked in centimeters, we can measure to the nearest tenth of a centimeter.
3. It is important to record measurements correctly because incorrect recordings can lead to wrong conclusions in experiments, engineering projects, or any field that relies on measurements. Incorrect data can cause errors in calculations, designs, and scientific research.

Answer:

1. Accuracy is closeness to true value; precision is closeness of repeated measurements.
2. Record all certain digits plus one estimated digit.
3. Incorrect recordings can lead to wrong conclusions in various fields.