Five people are asked to rate the taste of 3 brands of coffe
Five people are asked to rate the taste of 3 brands of coffee on a 1 (poor) to 5 (excellent) scale. The results are:
Can we conclude with 95% certainty that there is a significant difference in mean ratings between the three brands using ANOVA.
PLEASE SHOW ALL WORK AND EACH STEP. DON\'T USE MINITAB PLEASE, AS I DON\'T HAVE THIS AND NEED TO LEARN HOW TO SOLVE THIS WITHOUT SPECIAL SOFTWARE. THANKS!
| Brand A | Brand B | Brand C |
| 3 | 5 | 4 |
| 3 | 4 | 5 |
| 2 | 3 | 3 |
| 4 | 5 | 5 |
| 2 | 3 | 5 |
Solution
