An electronics company wants to compare the quality of their cell phones to the cell phones from three competitors. They sample 10 phones from each company and count the number of defects for each phone. If ANOVA was used to compare the average number of defects,then the treatments would be defined as ________.
A)the number of cell phones sampled
B)the average number of defects
C)the total number of phones
D)the four companies

Question

Quizplus · Accepted Answer

Treatments in ANOVA refer to the different groups or factors being compared. In this case, the treatments would be the four companies being compared (the electronics company and three competitors). The number of cell phones sampled and the total number of phones are not treatments as they do not represent different groups being compared. The average number of defects is a measure of the outcome being compared, but not a treatment.

An Electronics Company Wants to Compare the Quality of Their