Given N = 12,s² = 44 $\le$ $\sigma$ ² $\le$ 1752888
B) 23

question 71

Multiple Choice

Given n = 12,s² = 44.90,and that the population is normally distributed,the 99% confidence interval for the population variance is ________.

• A) 19.0391 \(\le\) \(\sigma\) ² \(\le\) 175.2888
• B) 23.0881 \(\le\) \(\sigma\) ² \(\le\) 122.3495
• C) 25.6253 \(\le\) \(\sigma\) ² \(\le\) 103.0993
• D) 18.4588 \(\le\) \(\sigma\) ² \(\le\) 189.7279
• E) 14.2929 \(\le\) \(\sigma\) ² \(\le\) 139.2989

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