And a

Brand1 brand2 brand3 brand4
15. 20 21. 15
25. 17. 22. 15
21. 22. 20. 14
23. 23. 19. 23
20. 18. 22
28
28
My answer

F= ..0554932036 / .0560
P= .9822487118 / .9822

.025 significance level
Pvalue<..025

You may have an answer, but you don't even indicate the question.