Following are the heights in inches of 12 two-year-old apple trees. Assume that the popul: normally distributed.
$\begin{array}{llllll}
\hline 31.9 & 36.9 & 40.7 & 36.3 & 39.4 & 34.5 \
\hline 36.9 & 37.2 & 40.3 & 42.0 & 41.0 & 39.3 \
\hline
\end{array}$
Construct a $99 \%$ confidence interval for the population standard deviation $\sigma$.
A) $1.85

Question

Following are the heights in inches of 12 two-year-old apple trees. Assume that the popul: normally distributed.
$\begin{array}{llllll}
\hline 31.9 & 36.9 & 40.7 & 36.3 & 39.4 & 34.5 \
\hline 36.9 & 37.2 & 40.3 & 42.0 & 41.0 & 39.3 \
\hline
\end{array}$
Construct a $99 \%$ confidence interval for the population standard deviation $\sigma$.
A) $1.85 < \sigma < 5.61$
B) $1.93 < \sigma < 5.86$
C) $1.98 < \sigma < 5.63$
D) $1.90 < \sigma < 6.09$ on is

Quizplus · Accepted Answer

The Answer of Following are the heights in inches of 12 two-year-old apple trees. Assume that the popul: normally distributed.
$\begin{array}{llllll}
\hline 31.9 & 36.9 & 40.7 & 36.3 & 39.4 & 34.5 \
\hline 36.9 & 37.2 & 40.3 & 42.0 & 41.0 & 39.3 \
\hline
\end{array}$
Construct a $99 \%$ confidence interval for the population standard deviation $\sigma$.
A) $1.85 < \sigma < 5.61$
B) $1.93 < \sigma < 5.86$
C) $1.98 < \sigma < 5.63$
D) $1.90 < \sigma < 6.09$ on is