In an Experiment to Determine Whether There Is a Systematic

Multiple Choice

In an experiment to determine whether there is a systematic difference between the weights obtained with two different mass balances, six specimens were weighed, in grams, on each balance. The following data were obtained:
$\begin{array}{crr}\hline \text { Specimen } & {\mathrm{A}} & {\mathrm{B}} \\\hline 1 & 14.86 & 14.83 \\2 & 9.44 & 9.41 \\3 & 11.99 & 11.99 \\4 & 9.27 & 9.26 \\5 & 6.13 & 6.13 \\6 & 13.78 & 13.76 \\\hline\end{array}$

Compute the test statistic.

A) $0.313$
B) $2.433$
C) $1.083$
D) $2.666$