Question

interpreting mass data
comparing precision
compare the data collected by two scientists
conducting the same experiment.
scientist 1
trial # | mass (g)
1 | 16.2
2 | 16.1
3 | 16.3
average | 16.2
which statement best describes the relative
precision of the two scientists?
both scientists have the same level of precision.
scientist 1 has greater precision than scientist 2.
scientist 2 has greater precision than scientist 1.

Explanation:

Precision in scientific measurements refers to the consistency (closeness) of repeated measurements. Scientist 1’s trial masses (16.1 g, 16.2 g, 16.3 g) have a small range (difference between maximum and minimum: \(16.3 - 16.1 = 0.2\) g), indicating high consistency. If Scientist 2’s data (not fully shown here, but in typical problems) has a larger range or more variation, Scientist 1’s measurements are more precise. Thus, Scientist 1 has greater precision.

Answer:

(Note: Since the data for Scientist 2 is missing, we assume a common scenario where if Scientist 1's data has a small range (e.g., 16.1, 16.2, 16.3: range is \(16.3 - 16.1 = 0.2\)) and if Scientist 2's data had a larger range (or if we consider typical precision questions), but as the current image only shows Scientist 1, there might be a display error. However, if we assume the intended problem (common in Chemistry/Physics for precision - where precision is about consistency of measurements), and if Scientist 1's trials are close (range 0.2), and if Scientist 2's data (not shown here but in typical problems) had a larger range or less consistency, but since the given options and Scientist 1's data: if we assume the standard problem where Scientist 2's data is, say, more spread out, but since the user's image might have a missing part, but based on the given Scientist 1 data (trials 16.1,16.2,16.3: very consistent), if we assume the options and the common problem, the answer would be "Scientist 1 has greater precision than scientist 2" (but this is based on typical problem structures as the Scientist 2 data is missing here. However, if we strictly go by the given image, there's an error. But assuming the standard problem context where Scientist 2's data is, for example, with more variation, the answer is:

B. Scientist 1 has greater precision than scientist 2