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. $$\begin{array} { | l | c | c | c | c | c | c | }
\hline \text { Source of Variation } & \text { SS } & d f & M S & F & P \text {-value } & F \text { crit } \
\hline \text { Plant location } & 3.0075 & 3 & 1.0025 & 2.561 & 0.1199 & 3.862 \
\hline \text { Noise level } & 8.4075 & 3 & 2.8025 & 7.160 & 0.0093 & 3.863 \
\hline \text { Error } & 3.5225 & 9 & 0.3914 & & & \
\hline \text { Total } & 14.9375 & & & & & \
\hline
\end{array}$$ Is the effect of noise level significant at ? = .01?
A)Yes
B)No
C)Need more information to say

Question

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. $$\begin{array} { | l | c | c | c | c | c | c | } 
\hline \text { Source of Variation } & \text { SS } & d f & M S & F & P \text {-value } & F \text { crit } \
\hline \text { Plant location } & 3.0075 & 3 & 1.0025 & 2.561 & 0.1199 & 3.862 \
\hline \text { Noise level } & 8.4075 & 3 & 2.8025 & 7.160 & 0.0093 & 3.863 \
\hline \text { Error } & 3.5225 & 9 & 0.3914 & & & \
\hline \text { Total } & 14.9375 & & & & & \
\hline
\end{array}$$ Is the effect of noise level significant at ? = .01?
A)Yes
B)No
C)Need more information to say

Quizplus · Accepted Answer

The P-value for the effect of noise level is 0.0093, which is less than the significance level of 0.01. Therefore, we reject the null hypothesis that there is no significant effect of noise level on worker productivity and conclude that the effect of noise level is significant at α = 0.01.

Here Is an Excel ANOVA Table That Summarizes the Results