The following table shows the result of an IQ test for two groups of student.  Gorup A  1 2 3 4 5 6 7 8 9 10 11 12 13 IQ 105 108 103 106 106 114 107 104 114 110 111 112 112   B 1 2 3 4 5 6 7 8 9 10 11 12 13 IQ 118 118 109 120 109 112 127 106 110 116 115 106 116 Use T-test to examine if there is a significant difference between the average IQs of the two groups at a: a- 0.05 level of significance b- 0.001 level of significance Please show your calculations and explain the meaning of results

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