The Presentation Of The Data Analysis

4.1.2. The Presentation Of The Data Analysis

The result were analyzed to find out to what extend the students’ ability to master passive voive in simple past tense in positive, negative, and interrogative sentences.

4.1.2.1. Students’ ability to master passive voice mean score and percentage

Tabel 4.2 Students’ score to master passive voice in positive sentences No Student Numbers Correct answer for each students Number of items Score for each student X Frequency f fx 1 3,4,10,16,20,24 ,25,27 10 10 100 8 800 2 5,14,18,28 9 10 90 4 360 3 1,2,6,26,30 8 10 80 5 400 4 8,12,15,21,29 6 10 60 5 300 5 7,13,22 5 10 50 3 150 6 23 4 10 40 1 40 7 17,19 3 10 30 2 60 8 9,11 2 10 20 2 40  f = 30  fx = 2150 To find the mean score of the students’ ability to master passive voice in positive sentences, I calculated by using the following formula. =   f fx X 30 Universitas Sumatera Utara =   f fx X So, = 30 2150 = 71,6 = 72 rounded Thus the mean score of the students is 72 that means they are categorized as having good ability. Tabel 4.3 The percentage of the students to master passive voice in positive sentences Classification Level of Ability Range Frequency Percentage Very good 80-100 17 57 Good 60-79 5 17 Average 40-59 4 13 Poor 20-39 4 13 Very poor 0-19 Total 30 100 From table 4.3 about the percentage of the students to master passive voice in positive sentences, it is shown that more than 50 could answer the test correctly 17 57 students are categorized as very good level, 5 17 students are categorized as good level, 4 13 students are categorized as average level, and 4 13 students are categorized as poor level. 31 Universitas Sumatera Utara Tabel 4.4 Students’ score to master passive voice in negative sentences No Student Numbers Correct answer for each students Number of items Score for each student X Frequenc y f fx 1 1,3,4,10,15,16, 20,24,25,26,27 ,28,30 10 10 100 13 1300 2 19,29 9 10 90 2 180 3 7,8,12,14 8 10 80 4 320 4 2,18,21,23 7 10 70 4 280 5 9,11,13,22 6 10 60 4 240 6 12 4 10 40 1 40 7 5,6 3 10 30 2 60  X = 30  fx = 2420 The mean score of the students’ ability to master passive voice in negative sentences. =   f fx X = 30 2420 = 80,6 = 81rounded Thus the mean score of the students is 81 that means they are categorized as having as very good ability. 32 Universitas Sumatera Utara 33 Tabel 4.5 The percentage of the students to master passive voice in negative sentences Classification Level of Ability Range Frequency Percentage Very good 80-100 19 63 Good 60-79 8 27 Average 40-59 1 3 Poor 20-39 2 7 Very poor 0-19 Total 30 100 From table 4.5 about the percentage of the students to master passive voice in negative sentences, it is shown that more than 50 could answer the test correctly, 19 63 students are categorized as very good level, 8 27 students are categorized as good level, 1 3 students are categorized as average level, and 2 7 students are categorized as poor level. Universitas Sumatera Utara Tabel 4.6 Students’ score to master passive voice in interrogative sentences No Student Numbers Correct answer for each students Number of items Score for each student X Frequency f fx 1 3,10,18,24 10 10 100 4 400 2 1,8,13,14,2 5,27,28,30 9 10 90 8 720 3 4,12,19,20 8 10 80 4 320 4 15 7 10 70 1 70 5 7,9,16,17,2 3,29 6 10 60 6 360 6 5,11 5 10 50 2 100 7 2,6,21,26 4 10 40 4 40 8 22 3 10 30 1 30  X = 30  fx = 2040 The mean score of the students’ ability to master passive voice in interrogative sentences. =   f fx X = 30 2040 = 68 Thus the mean score of the students is 68 that means they are categorized as having as good ability. 34 Universitas Sumatera Utara 35 Tabel 4.7 The percentage of the students to master passive voice in interrogative sentences Classification Level of Ability Range Frequency Percentage Very good 80-100 16 53 Good 60-79 8 27 Average 40-59 5 17 Poor 20-39 1 3 Very poor 0-19 Total 30 100 From table 4.7 about the percentage of the students to master passive voice in interrogative sentences, it is shown that more than 50 could answer the test correctly, 16 53 students are categorized as very good level, 8 27 students are categorized as good level, 5 17 students are categorized as average level, and 1 3 students are categorized as poor level. Universitas Sumatera Utara 36 Tabel 4.8 The students’ score to master passive voice NO Name A B C Total Score Classification 1 Andy Mustaqim 8 10 9 27 90 Very good 2 Anggiat S 8 7 4 19 63 Good 3 Arifin Sitorus 10 10 10 30 100 Very good 4 Bayu Sugara 10 10 8 28 93 Very good 5 Benny Y. S 9 3 5 17 56 Average 6 David H 8 3 7 18 60 Good 7 Debi Pranata 5 8 6 19 63 Good 8 Didi Fajar 6 8 9 23 76 Good 9 Doni Putra D 2 6 6 14 46 Average 10 Feri Irawan S 10 10 10 30 100 Very good 11 Fisker T 2 6 5 13 43 Average 12 Harianto S 6 8 8 22 73 Good 13 Hasiholan M 5 6 9 20 66 Good 14 Heryanto H 9 8 9 26 86 Very good 15 Ian Deficson 6 10 7 23 76 Good 16 Iksan Aiba 10 10 6 26 86 Very good 17 Maniur S 3 4 6 13 43 Average 18 Marihot H 9 7 10 26 86 Very good 19 Nur Iswandi 3 9 8 20 66 Good 20 Peterson 10 10 8 28 93 Very good 21 Rikki Fernando 6 7 4 17 56 Average 22 Riko Sipayung 5 6 3 14 46 Average 23 Rinaldi Sitinjak 4 7 6 17 56 Average 24 Roy Ferianto 10 10 10 30 100 Very good 25 Sudarto 10 10 9 29 96 Very good 26 Suharno 8 10 4 22 73 Good 27 Syahri R 10 10 9 29 96 Very good 28 Syuyanto 9 10 9 28 93 Very good 29 Winardi 6 9 6 21 70 Good 30 Yose Rizal 8 10 9 27 90 Very good Total 215 242 219 676 2255 Mean score 22,5 75 Universitas Sumatera Utara 37

4.2. Data Interpretation