Here Is an Excel ANOVA Table That Summarizes the Results

question 10

Multiple Choice

Here is an Excel ANOVA table that summarizes the results of an experiment to assess the effects of ambient noise level and plant location on worker productivity. The test used ? = 0.05. $$\begin{array} { | l | c | c | c | c | c | c | } \hline \text { Source of Variation } & \text { SS } & d f & \text { MS } & F & \text { P-value } & \text { F crit } \\\hline \text { Plant location } & 3.0075 & 3 & 1.0025 & 2.561 & 0.1199 & 3.862 \\\hline \text { Noise level } & 8.4075 & 3 & 2.8025 & 7.160 & 0.0093 & 3.863 \\\hline \text { Error } & 3.5225 & 9 & 0.3914 & & & \\\hline \text { Total } & 14.9375 & & & & & \\\hline\end{array}$$ The experimental design and ANOVA appear to be:

• A)replicated two factor.
• B)unreplicated two-factor.
• C)impossible to determine.

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