If a measurement is said to be precise this means that it is what

Question

Chemistry

Fernanda Davila

3 December, 06:21

If a measurement is said to be precise this means that it is what

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Answers (1)

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Malcolm Miller · Answer 1

See below.

Explanation:

A precise measurement means that in a repetition of an experiment the results are all very close. Note precise is not always the same as accurate. If there is say 32.0% of lead in a sample of lead ore and 2 analyses give results of 31.92% and 31.93% they are very precise, but if another 2 analyses give results of 31.95% and 32,05% they are less precise but more accurate.