An instructor would like to evaluate the effectiveness of a new programmed learning course in statistics. The class is randomly divided in half. One group gets the regular lecture series and textbook. While the other group takes the programmed course. At the end of the semester all student take the same final exam. The scores are as followers:

Regular Course Grades

Programmed Course Grades

82

73

93

92

82

97

61

89

99

81

80

62

73

91

84

72

74

68

71

68

81

84

81

71

75

72

69

63

65

73

85

75

80

65

75

76

Use these data to determine whether there is any significant difference between the programmed course and the regular course. Test at the .05 level.