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Following Are the Heights in Inches of 12 Two-Year-Old Apple 37.535.339.238.743.041.936.738.040.938.337.841.8\begin{array}{llllll}\hline 37.5 & 35.3 & 39.2 & 38.7 & 43.0 & 41.9 \\\hline 36.7 & 38.0 & 40.9 & 38.3 & 37.8 & 41.8 \\\hline\end{array}

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Question 46
Multiple Choice
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Multiple Choice

Following are the heights in inches of 12 two-year-old apple trees. Assume that the population is normally distributed.
37.535.339.238.743.041.936.738.040.938.337.841.8\begin{array}{llllll}\hline 37.5 & 35.3 & 39.2 & 38.7 & 43.0 & 41.9 \\\hline 36.7 & 38.0 & 40.9 & 38.3 & 37.8 & 41.8 \\\hline\end{array}

Construct a 90%90 \% confidence interval for the population standard deviation σ\sigma .


A) (1.75,3.62)( 1.75,3.62 )
B) (1.86,3.28)( 1.86,3.28 )
C) (1.77,3.54)( 1.77,3.54 )
D) (1.69,3.39)( 1.69,3.39 )

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