Question: Students were paired by matching their IQs and grades in previous mathematics courses taken. Group A attended lectures and did homework. Group B watched videotapes and did homework on computers. Test to see if there is a significant difference in the final exam scores for the two groups at the .05 level.

Lecture Tapes

95 99

87 91

91 88

85 90

81 87

79 78

74 79

73 81

71 65

69 74