Data Analysis METHOD OF RESEARCH

42 Table 4.2 The Highest to The Smallest Scores No Name Initial Total of the Correct Answer Score X X 2 1 30 Fi XI 28 93 8.649 2 18 Un XI 22 73 5.329 3 26 My XI 22 73 5.329 4 08 Vi XI 21 70 4.900 5 13 Pu XI 21 70 4.900 6 47 Ab XI 21 70 4.900 7 27 Vi XI 20 66 4.356 8 45 Cl XI 20 66 4.356 9 07 Ar XI 19 63 3.969 10 25 Ra XI 19 63 3.969 11 48 Jo XI 19 63 3.969 12 28 Ma XI 19 63 3.969 13 29 Yo XI 19 63 3.969 14 03 Lo XI 18 60 3.600 15 06 Ant XI 18 60 3.600 16 17 Ko XI 18 60 3.600 17 24 Di XI 18 60 3.600 18 35 Er XI 18 60 3.600 19 43 Au XI 18 60 3.600 20 09 Jo XI 17 56 3.136 21 10 Lu XI 17 56 3.136 22 20 Ra XI 17 56 3.136 23 21 Fr XI 17 56 3.136 24 22 Ma XI 17 56 3.136 25 23 So XI 17 56 3.136 26 33 St XI 17 56 3.136 27 37 Du XI 17 56 3.136 43 No Name Initial Total of the Correct Answer Score X X 2 28 44 No XI 17 56 3.136 29 50 Vi XI 17 56 3.136 30 01 Wid XI 16 53 3.136 31 02 Be XI 16 53 3.136 32 12 Ja XI 16 53 3.136 33 34 Ek XI 16 53 3.136 34 60 Ma XI 16 53 3.136 35 31 Ra XI 15 50 2.500 36 32 Ju XI 14 46 2.116 37 39 No XI 14 46 2.116 38 49 Ho XI 14 46 2.116 39 04 He XI 13 43 1.849 40 41 Am XI 13 43 1.849 41 46 Sa XI 13 43 1.849 42 51 Mi XI 13 43 1.849 43 52 Ke XI 13 43 1.849 44 15 Cr XI 12 40 1.600 45 16 Je XI 12 40 1.600 46 36 Ci XI 12 40 1.600 47 42 He XI 12 40 1.600 48 55 Eg XI 12 40 1.600 49 56 Gr XI 12 40 1.600 50 05 Ev XI 11 36 1.296 51 11 Pe XI 11 36 1.296 52 14 In XI 11 36 1.296 53 38 Cy XI 10 33 1.089 54 40 Jo XI 10 33 1.089 55 57 Ri XI 10 33 1.089 56 58 Me XI 10 33 1.089 44 After being ranked, the highest score of the students’ test result in using conditional sentences is 93 and the lowest score is 23. It is also found that there are 922 the correct answers of 60 students which describe the correct answer on average 15 and the total of score is 3.077 which describe students on average 51,2 and the quadrate of total score is 170.370. After finishing the tabulation of the raw scores, the standard deviation of the test result is found out in following formulation: SD = 1 } N Where, SD = standard deviation ∑X = the total of correct answer N = the number of respondents ∑X 2 = the quadrate of the total score No Name Initial Total of the Correct Answer Score X X 2 57 53 Fe XI 9 30 900 58 54 El XI 9 30 900 59 59 Ch XI 9 30 900 60 19 Dw XI 7 23 529 TOTAL 922 3.077 170.370 45 So, SD = 1 } N = 1 √ {60 x 170.370 – 3.077 2 } 60 = 1 √ 10.222.200 – 9.467.929 60 = 1 √ 754.271 60 = 1 868,49 6 = 14,47 = 14 rounded The calculation of mean is: = ∑X N = 922 60 = 15,36 = 15 rounded After knowing the mean and the standard Deviation, then the coefficient of the reliability is calculated: 46 KRr = ] = ] = ] = ] = 1,034 1 – 0,038 = 1,034 x 0,962 = 0,99 The calculation above shows that the reliability of the test is 0,99. So, the reliability of the test is very high. It is based on Arikunto 1986:93, the standard of reliability is: 0,00 – 0,40 = The reliability is low 0,41 – 0,70 = The reliability is significant 0,71 – 0,90 = The reliability is high 0,91 – 1,00 = The reliability is very high 47

4.2 Findings

After analysing the data, table 4.3 describe the ability of grade XI students of SMA Cahaya Medan to use conditional sentences in the multiple choice and completion test with tabulating their grade and the percentage. Table 4.3 The Students’ Score in Using Conditional Sentences No Score for each student x Frequency f Fx 1 93 1 93 2 73 2 146 3 70 3 210 4 66 2 132 5 63 5 315 6 60 6 360 7 56 10 560 8 53 5 265 9 50 1 50 10 46 3 138 11 43 5 215 12 40 6 240 13 36 3 108 14 33 4 132 15 30 3 90 16 23 1 23 TOTAL ∑f = 60 ∑f x = 3.077 Based on the table 4.3, it is found that the frequency is 60 and total score is 3.077. Then, to find out the mean score of the students’ ability in using conditional sentences, it is calculated by using this following formula: 48 = ∑f x ∑f = 3.077 Classification 60 = 51,2 Thus, the mean score of the students’ ability is 51,2 of + 14 from standard deviation Then, the researcher tabulates the percentage of students’ score based on KKM Minimum Standard Scores of English subject that can be seen at table 4.4. Table 4.4 The Percentage of Students’ Score in using Conditional Sentences Frequency Percentage Level of Ability Range Very good 90-100 1 1,7 Good 80-89 Average 70-79 5 8,3 Poor 60-69 13 21,7 Very poor 0-59 41 68,3 Total 60 100 From the table 4.5, it shows that 1 student 1,7 of the respondents have very good ability, 0 students 0 of the respondents has good ability, 5 students 8,3 of the respondents have average ability, 13 students 21,7 of the 49 respondents have poor ability and 41 students 68,3 of the respondents have very poor ability. Based on classification criteria Table 4.4 above, then it is reconstituted the students ability as in table 4.5 as follows. Table 4.5 The Students’ Ability in Using Conditional Sentences No Name Initial Total of the Correct Answer Score X Level of Ability 1 01 Wid XI 16 53 Very poor 2 02 Be XI 16 53 Very poor 3 03 Lo XI 18 60 Poor 4 04 He XI 13 43 Very poor 5 05 Ev XI 11 36 Very poor 6 06 Ant XI 18 60 Poor 7 07 Ar XI 19 63 Poor 8 08 Vi XI 21 70 Average 9 09 Jo XI 17 56 Very poor 10 10 Lu XI 17 56 Very poor 11 11 Pe XI 11 36 Very poor 12 12 Ja XI 16 53 Very poor 13 13 Pu XI 21 70 Average 14 14 In XI 11 36 Very poor 15 15 Cr XI 12 40 Very poor 16 16 Je XI 12 40 Very poor 17 17 Ko XI 18 60 Poor 18 18 Un XI 22 73 Average 19 19 Dw XI 7 23 Very poor 20 20 Ra XI 17 56 Very poor