A Random Sample of 17 Hotels in Boston Had an Average

question 10

Multiple Choice

A random sample of 17 hotels in Boston had an average nightly room rate of $165.40 with a sample standard deviation of $21.70. The 90% confidence interval around this sample mean is___ .

• A)($144.32, $186.32)
• B)($162.76, $168.04)
• C)($152.22, $178.58)
• D)($156.20, $174.60)

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Definitions:

Apartment

A self-contained housing unit that occupies only part of a building, usually on a single story.

Park Ranger

A professional responsible for protecting and conserving parklands, ensuring the safety of visitors, and educating the public about natural and historical resources.

Pronoun

A word used to substitute for a noun or noun phrase, often to avoid repetition and manage coherence; examples include "he," "she," "it," "they."

Trophy

A physical representation, often an ornamental cup or statue, awarded as a prize for achievement in a competition or event.