An experimental study on reading was conducted on a group of 15 students using a pre-test-post-test design. The table shows the pre-test and post-test reading scores of the students. Test the hypothesis at .05 alpha that the median score of the students in the pre-test is not significantly different from their median score in the post-test.

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  1. An experimental study on reading was conducted on a group of 15 students using a pre-test-post-test design. The table shows the pre-test and post-test reading scores of the students. Test the hypothesis at .05 alpha that the median score of the students in the pre-test is not significantly different from their median score in the post-test.

 

Pre-test

Post-Test

65

75

72

83

78

89

63

76

69

80

71

85

73

86

56

65

80

93

72

85

79

79

70

81

53

64

83

97

75

87

 

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