Answer students' questions and become popular!

Sound engineers studied factors that might affect the output (in decibels) of a rock concert speaker system. The desired level of significance was α = .05. The results of their ANOVA tests are shown. [img src="@13300807"]

5) The number of positions tested was
a. 1
b. 2
c. 3
d. 4

6) The number of amplifiers tested was
a. 1
b. 2
c. 3
d. 4
e. 24

7) The effect of amplifier was
a. significant.
b. insignificant.
c. borderline.

8) The effect of position was
a. significant.
b. insignificant.
c. borderline.