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

The treatments in the ANOVA analysis would be the four companies, as the study aims to compare the quality of cell phones from four different companies. The number of cell phones sampled and the total number of phones are not relevant in defining the treatments, and the average number of defects would be the response variable that would be analyzed.

An Electronics Company Wants to Compare the Quality of Their