Two students measure the time it takes for a race to finish . One student measured 75.5 seconds . The other student measures 1 minute and 15 seconds . Both students are correct. Why ?

Accuracy of values

Explanation:

They're correct due to margin error of ±0.5 during an experiment.

1 min 15 seconds is equivalent to 75 seconds.

However the other one was 75.5 seconds.

Using the margin error of ±0.5 during recording, they're both correct.

Note : Accuracy is the closeness of agreement between a measured value and a true or accepted value. Measurement error is the amount of inaccuracy.

Precision is a measure of how well a result can be determined (without reference to a theoretical or true value). It is the degree of consistency and agreement among independent measurements of the same quantity; also the reliability or reproducibility of the result.

The uncertainty estimate associated with a measurement should account for both the accuracy and precision of the measurement.

In this case, this is an argument of who was more accurate and judging by this standard, they're both accurate but not necessarily precise since their values are not exact with each other.

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