Sound Engineers Studied Factors That Might Affect the Output, in Decibels

Multiple Choice

Sound engineers studied factors that might affect the output, in decibels, of a rock concert speaker system. The results of their ANOVA tests are shown (some information is missing) . $$\begin{array} { l r r r r } \hline \text { Source of Variation } & { S S } & d f & M S & F \\\hline \text { Amplifier } & 99.02344 & & 99.02344 & \\\text { Position } & 93.98698 & & 31.32899 & 3.215807 \\\text { Interaction } & 10.15365 & 3 & 3.384549 & 0.347412 \\\text { Error } & 155.875 & 16 & 9.742188 & \\& & & & \\\text { Total } & 359.0391 & 23 & & \\\hline\end{array}$$ The F statistic for amplifier was:

A) 9.90.
B) 10.16.
C) 5.72.
D) 4.27.