Ten students from each of three disciplines, geography, sociology, and history were selected at random to participate in a study whose aim was to find out whether a person’s major field of study affects his or her intellectual ability to perceive some basic concepts. They were subjected to three basic tests in mathematics (T1), algebra (T2), and computing (T3), and their scores are presented in the table below:

Analyze the data and find out if any of the groups is intellectually superior to the other.

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Geography majors Sociology majors History majors S.No. T1 T2 Ts S.No. T T2 Ts S.No. T T2 T3 1234567890 19 17 18 11 14 22 26 26 22 16 12 22 16 19 28 22 13 18 21 22322 22 24 19 14 24 19 29 23 24 15 23 22 20 32 28 16 32 18 25 22 18 17 22 18 17 29 21 18 29 21 18 19 16 19 19 16 26 24 18 20 24 18 2222222223 21 27 29 18 22 21 25 20 25 22 20 24 20 21 18 20 18 25 15 21 17 24 27 28 21 23 29 30 18 29 28 15 20 16 19 19 20 20 19 20 17 22 18