Refer to the Following Partial ANOVA Results from Excel (Some

question 34

Multiple Choice

Refer to the following partial ANOVA results from Excel (some information is missing) . $$\begin{array} { | l | c | c | c | c | c | } \hline \text { Source of Variation } & \text { SS } & d f & M S & F & P \text {-value } \\\hline \text { Nozzle setting } & 3.46722 & 1 & 3.46722 & 4.87198 & 0.04751 \\\hline \text { Pressure level } & 8.07444 & & 4.03722 & 5.67291 & 0.01844 \\\hline \text { Interaction } & 2.80779 & 2 & 1.40389 & 1.97268 & 0.18177 \\\hline \text { Error } & 8.54000 & & 0.711667 & & \\\hline \text { Total } & 22.8894 & & & & \\\hline\end{array}$$ At ? = 0.05, the effect of nozzle setting is:

• A)highly significant.
• B)just barely significant.
• C)not quite significant.
• D)clearly insignificant.

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Definitions:

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