As Part of an Experiment to Determine the Density of a New

question 10

Multiple Choice

As part of an experiment to determine the density of a new plastic developed in her laboratory, Sara Ann Dippity measures the volume of a solid sample. Her four trials yield volumes of 12.37 cm³, 12.41 cm³, 12.39 cm³, and 12.38 cm³. Measurements of other scientists in the lab give an average volume of 12.49 cm³. Which of the following statements represents the best analysis of the data?

• A)Sara's results have low precision and high accuracy.
• B)Sara's results have high precision and high accuracy.
• C)Sara's results have greater precision than accuracy.
• D)Sara's results have greater accuracy than precision.
• E)Sara has been using a faulty instrument to measure the volume.

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Definitions:

Spread

The difference between two prices, yields, or interest rates, commonly used in financial markets to measure the gap between bid and ask prices.

Public Issue

The creation and sale of securities on public markets.

Rights Offer

An invitation to existing shareholders to purchase additional shares in the company at a discounted price, usually to raise capital.

Preemptive Right

The right of existing shareholders to purchase additional shares before the company offers them to the public, to maintain their proportionate ownership.