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 were used to compare the average number of defects,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 an ANOVA analysis refer to the different groups being compared, in this case the four companies. Therefore, the correct choice is D, the four companies. A would be the sample size, B would be the mean number of defects, and C would be the total number of phones, none of which are treatments.

An Electronics Company Wants to Compare the Quality of Their