What Is the 95% Confidence Interval for the Standard Deviation $08 < \sigma < 2.1$

question 64

Multiple Choice

What is the 95% confidence interval for the standard deviation of birth weights at Guelph General Hospital, if the standard deviation of the last 25 babies born there was 1.1 pounds?

• A) \(08 < \sigma < 2.1\)
• B) \(0.7 < \sigma < 2.3\)
• C) \(08 < \sigma < 1.9\)
• D) \(09 < \sigma < 15\)

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