Boxes of Raisins Are Labeled as Containing 22 Ounces Construct A

Multiple Choice

Boxes of raisins are labeled as containing 22 ounces. Following are the weights, in ounces, of a sample of 12 boxes. It is reasonable to assume that the population is approximately normal.
$\begin{array}{llllll}\hline 21.72 & 21.75 & 21.62 & 21.92 & 22.10 & 22.13 \\\hline 22.25 & 22.26 & 22.04 & 21.88 & 22.02 & 22.15 \\\hline\end{array}$

Construct a $95 \%$ confidence interval for the mean weight.

A) $21.782 < \mu < 22.192$
B) $21.853 < \mu < 22.120$
C) $21.790 < \mu < 22.183$
D) $21.847 < \mu < 22.126$