Scores on the Math SAT Are Normally Distributed $s = 75$

question 85

Multiple Choice

Scores on the math SAT are normally distributed. A sample of 28 SAT scores had a standard deviation $s = 75$ . Construct a $99 \%$ confidence interval for the population standard deviation $\sigma$ .

• A) \(55.58 < \sigma < 112.42\)
• B) \(56.87 < \sigma < 108.60\)
• C) \(54.57 < \sigma < 110.40\)
• D) \(55.31 < \sigma < 113.41\)

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