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An analytical chemist recorded a series of readings from an instrument, obtaining the values shown below (arbitrary units). The acceptable precision for this measurement is
An analytical chemist recorded a series of readings from an instrument, obtaining the values shown below (arbitrary units). The acceptable precision for this measurement is 2.00 %RSD, while the expected true value should lie in the range 10.000.20.
Trial 1 | Trial 2 | Trial 3 | Trial 4 | Trial 5 |
9.91 | 9.70 | 10.02 | 9.77 | 9.70 |
Based on this information, the readings should be considered:
Group of answer choices
Imprecise and accurate
Imprecise and inaccurate
Precise and accurate
Precise and inaccurate
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