A Random Sample of 15 Crates Have a Mean Weight $165.2$

question 122

Multiple Choice

A random sample of 15 crates have a mean weight of $165.2$ pounds and a standard deviation of $13.5$ pounds. Construct a $95 \%$ confidence interval for the population standard deviation $\sigma$ . Assume the population is normally distributed, and round to the nearest hundredth when necessary.

• A) \(( 9.88,21.29 )\)
• B) \(( 10.38,19.71 )\)
• C) \(( 97.69,453.3 )\)
• D) \(( 2.69,5.79 )\)

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