Use the Given Degree of Confidence and Sample Data to Find

question 98

Multiple Choice

Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation ?.
Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal places as the sample standard deviation.
-Weights of eggs: $95 \%$ confidence; $n = 22 , \bar { x } = 1.55 \mathrm { oz } , \mathrm { s } = 0.44 \mathrm { oz }$

• A) \(0.35 \mathrm { oz } < \sigma < 0.57 \mathrm { oz }\)
• B) \(0.35 \mathrm { oz } < \sigma < 0.59 \mathrm { oz }\)
• C) \(0.33 \mathrm { oz } < \sigma < 0.61 \mathrm { oz }\)
• D) \(0.34 \mathrm { oz } < \sigma < 0.63 \mathrm { oz }\)

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