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find the 95% confidence interval for the variance of the heights of maple trees if a sample of 26 trees has a standard deviation of 10.2 feet....

find the 95% confidence interval for the variance of the heights of maple trees if a sample of 26 trees has a standard deviation of 10.2 feet.
possible answers:
6.2 < ơ² < 14.2
8.0 < ơ² < 14.1
78.0 < ơ² < 130.0
64.0 < ơ² < 198.2
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Statistics and Probability-8082168.doc

find the 95% confidence interval for the variance of the heights of maple trees if a sample of 26 trees
has a standard deviation of 10.2 feet.
possible answers:
6.2 &lt; ơ² &lt; 14.2
8.0 &lt;...

Sign up to view the full answer

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