For 6 teams that competed in a competition, their scores are shown below. Which is true of the teams after performing an ANOVA single factor analysis on them? Use a confidence level of 95%.

A	B	C	D	E	F
10	16	15	17	14	13
15	15	13	12	16	17
8	11	12	17	10	13
14	16	13	13	14	12
10	11	15	14	16	13
16	18	15	20	13	15
20	14	19	17	13	12
19	13	16	20	13	13
15	11	11	17	18	14
12	11	14	13	15	13
14	15	13	13	16	12
10	21	16	12	16	15