In: Statistics and Probability
. (25 pts) Five different analysts measures the additives in 3 similar brands of snacks and the data is represented below.
Analyst 1 Analyst 2 Analyst 3 Analyst 4 Analyst 5
B: 2.7 C: 7.5 B: 2.8 A: 1.7 C: 8.1
C: 3.6 A: 1.6 A: 2.7 B: 1.9 A: 2.0
A: 3.8 B: 5.2 C: 6.4 C: 2.6 B: 4.8
Are the amount of additives equal in for all of the three brands? Test this claim at 5% significance level by using randomized complete block ANOVA and interpret your result.