$n = 12 , \bar { x } = 28.0 , s = 5.7$

question 5

Multiple Choice

$n = 12 , \bar { x } = 28.0 , s = 5.7$ . Find a $99 \%$ confidence interval for the mean.

• A) \(( 22.79,33.21 )\)
• B) \(( 22.89,33.11 )\)
• C) \(( 22.79,33.09 )\)
• D) \(( 22.91,33.09 )\)
• E) \(( 23.53,32.47 )\)

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