Two Students Independently Determine the Volume of Water Delivered by a 10.00-ML

question 3

Multiple Choice

Two students independently determine the volume of water delivered by a 10.00-mL pipet. Each student takes 8 measurements, then computes the average volume delivered and the standard deviation. The results are tabulated below.
$$\begin{array} { l l l } & \text { Average } & \text { St. Dev. } \\\hline\text { Student A } & 10.4 \mathrm {~mL} & \pm 0.7 \mathrm {~mL} \\\text { Student B } & 10.00 \mathrm {~mL} & \pm 0.02 \mathrm {~mL}\end{array}$$
Which statement best describes the results?

• A) A: good precision, good accuracy. B: good precision, good accuracy.
• B) A: good precision, poor accuracy. B: poor precision, good accuracy.
• C) A: poor precision, good accuracy. B: good precision, poor accuracy.
• D) A: poor precision, poor accuracy. B: good precision, good accuracy.
• E) A: poor precision, poor accuracy. B: poor precision, poor accuracy.

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Definitions:

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A scientific field that explores the biological basis of social behavior in animals and humans.

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An approach within sociology that uses evolutionary theory to understand the development and variations of social structures, practices, and institutions over time.