In a Completely Randomised Design, 7 Experimental Units Were Assigned

question 47

Essay

In a completely randomised design, 7 experimental units were assigned to the first treatment, 13 units to the second treatment, and 10 units to the third treatment. A partial ANOVA table for this experiment is shown below. $$\begin{array} { | l | c | c | c | c | } \hline \text { Source of Variation } & \text { SS } & d f & M S & F \\\hline \text { Treatments } & * & * & * & 1.50 \\\hline \text { Error } & * & * & 4 & \\\hline \text { Total } & * & * & & \\\hline\end{array}$$ Test at the 5% significance level to determine whether differences exist among the three treatment means.

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Definitions:

Outer Ear

Portion of the ear consisting of the pinna and the auditory canal.

Middle Ear

Portion of the ear consisting of the tympanic membrane, the oval and round windows, and the ossicles, where sound is amplified.

Semicircular Canals

Structures in the inner ear involved in maintaining balance.

Vertigo

Equilibrium disorder that is often associated with problems in the receptors of the semicircular canals in the ear.