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)
Correct Answer:
Verified
Correct Answer:
Verified
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