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 ? = .05 the effect of medication type 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 ? = .05 the effect of medication type is:
A)significant.
B)insignificant.
C)borderline.

Quizplus · Accepted Answer

The P-value for medication type is less than the significance level of 0.05, indicating that the effect of medication type is statistically significant.

Here Is an Excel ANOVA Table for an Experiment That