2.1 Determining the reliability of the tests and interpretation of the results A. Dr. Cruz administered a 100-item test to 10 of his students in economics. To determine the reliability of his test, he used the split-half method. The scores of the test are given below. Estimate the reliability of the test. Interpret the results. Students Total Score Odd Score Even Score A 68 38 30 в 94 63 31 65 32 33 D 74 37 37 E 89 42 47 F 70 34 36 G 96 46 50 H 80 40 40 52 24 28 59 33 36 в Mr. VIllaflor. Wanted to find out whether the results of his unit test in Science are reliable or not. After two weeks, he administered the same test to his students. The results of the two administrations of the unit test are given below (X=1« administration; Y=2« administration). Calculate the reliability coefficient and interpret the results. 17 18 21 19 33 28 18 21 35 32 41 38 35 36 29 27 21 22 25 27

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