Here is an Excel ANOVA table for an experiment that analyzed two factors that may affect patients' blood pressure (some information is missing). $$\begin{array} { | l | c | c | c | c | c | }
\hline \text { Source of Variation } & S S & d f & M S & F & P \text {-value } \
\hline \text { Medication type } & 16.5313 & 1 & 16.5313 & 9.173 & 0.006 \
\hline \text { Patient age group } & 25.0938 & & 8.3646 & 4.642 & 0.011 \
\hline \text { Interaction } & 1.8438 & 3 & 0.6146 & 0.341 & 0.796 \
\hline \text { Error } & 43.2504 & 24 & 1.8021 & & \
\hline & & & & & \
\hline \text { Total } & 86.7192 & & & & \
\hline
\end{array}$$ At ? = .10 the interaction is:
A)significant.
B)insignificant.
C)borderline.

Question

Here is an Excel ANOVA table for an experiment that analyzed two factors that may affect patients' blood pressure (some information is missing). $$\begin{array} { | l | c | c | c | c | c | } 
\hline \text { Source of Variation } & S S & d f & M S & F & P \text {-value } \
\hline \text { Medication type } & 16.5313 & 1 & 16.5313 & 9.173 & 0.006 \
\hline \text { Patient age group } & 25.0938 & & 8.3646 & 4.642 & 0.011 \
\hline \text { Interaction } & 1.8438 & 3 & 0.6146 & 0.341 & 0.796 \
\hline \text { Error } & 43.2504 & 24 & 1.8021 & & \
\hline & & & & & \
\hline \text { Total } & 86.7192 & & & & \
\hline
\end{array}$$ At ? = .10 the interaction is:
A)significant.
B)insignificant.
C)borderline.

Quizplus · Accepted Answer

The P-value for the interaction term is 0.796, which is greater than the significance level of 0.10. Therefore, we fail to reject the null hypothesis and conclude that the interaction is insignificant.

Here Is an Excel ANOVA Table for an Experiment That