A company has three manufacturing plants, and company officials want to determine whether there is a difference in the average age of workers at the three locations. The following data are the ages of the five randomly selected workers at each plant. Perform ANOVA in R to determine whether there is a significant difference in the mean ages of workers in three plants, Use significance level 0.05.

p1	29
p1	27
p1	30
p1	27
p1	28
p2	32
p2	33
p2	31
p2	34
p2	30
p3	25
p3	24
p3	24
p3	25
p3	26
p3	26