Is there a statistically significant difference in mean scores between any of the following groups? Calculate and report the mean for each group. If one or more mean differences exist, please identify the groups with significantly different means. Use the most appropriate statistical test to answer this question at alpha a = .05 level of significance. Identify the hypothesis statements, test statistic, p-value, and your decision.

Group 1	Group 2	Group 3	Group 4
12	33	65	12
15	35	77	26
18	45	88	33
24	55	67	55
25	44	56	77
21	36	45	89
16	45	67	35