A winery wanted to find out whether people preferred red, white, rose wine or mixed berry wine. They invited 12 people to taste one red, one white, one rose and one mixed berry wine with the order of tasting chosen at random and a suitable interval between tasting. Each person was asked to evaluate each wine the scores tabulated in the table below.
At 0.05 significance level, can it be concluded that there is no significant difference between the four types of wines.