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- 1. Mathematics Project The Monthly Expenses by Male and Female Student of Taylor‟s University Lakeside Campus Lecture: Ms. Ann See Peng Group Members: Kelvin Ng (0315081) :Tan Wen Hao (0313690) :Low Jia Cheng (0314883) :LokeChingYan (0314657) :Voon Sze Lun (0315032)
- 2. Table of Content Title Page Front Page 1 Table of Content 2 Introduction 3 Objectives 4 Methodology 5-9 Survey Forms 10-210 Analysis 211-239 Conclusion 240
- 3. Introduction This is a mathematics project which is about the “Statistic” conducted by a group of 5 students Kelvin Ng, Tan Wen Hao, Low Jia Cheng, LokeChing Yan and Voon Sze Lun from Taylor‟s University Lakeside Campus and guided by their lecture Ms. Ann See Peng. This assignment intended to familiarize us with some of the basic concepts and skills related to statistic. Statistics is a set of tools used to organize and analyze data. Data must either be numeric in origin or transformed by researchers into numbers.Statistics is one of the mathematics which occurs in collection, organization and interpretation of numerical data especially the analysis of population characteristics by inference from sampling. For instance, statistics could be used to analyze percentage and it‟s also frequently used for purposes of prediction. The surveybrings the opportunity and remarks us about the importance of saving on daily unnecessary expenses. Through the survey, it shows that the average monthly spending of the students according to their necessary needs and the entertainment lifestyle as the student. In addition, we learn to find out the difference of male and female on their monthly expenses. This highlights the spending of the students and it lets the students to know that they should learn to spend smartly towards the necessarythings.
- 4. Objective The aim of this project gives us to learn how to collect and organize statistical data. For example, we learn to solve problems when distributing the survey form to people. Besides, it enables us to apply the knowledge which gained to analyze statistical data and draw conclusion from the data. Moreover, we can also learn to solve the problems with various mathematical principles. In addition, we‟re able to present for some simple statistical data. By doing this assignment, we can also fully understand and apply fundamental mathematical principles in the way of statistics question. For example, we learn to use the various types of mathematical principles in our daily life and of course in the mathematics question. The objective for this project is also to make inferences about a sample based on information we get from a population and also to use population mean, as an estimate of the sample mean so that we can get a more accurate results at the end. In addition, it also makes inferences about a population based on information we get from a sample taken the population. Through this project, we can also make some inferences about a sample with a high degree of reliability in order to achieve to purpose. Lastly, we‟re also able to understand better about the concept of comparative analysis and gaining more knowledge in understanding the statistical analysis.
- 5. Methodology Research was taken at SLC.
- 6. Research was taken at Student Central.
- 7. Research was taken at Commercial Block (1)
- 8. Research was taken at Commercial Block (2)
- 9. Research was taken at Commercial Block (3)
- 10. 1. Study Expenses of Male and Female Frequency, f Frequency, f Study Materials(RM) 0 - 49 50 - 99 100 - 149 150 - 199 200 - 249 250 - 299 Male 3 7 13 21 28 23 Female 6 12 22 27 20 11 299 above 5 2 Number of Students (amount of spending on study materials) 30 25 20 Male 15 Female 10 5 0 0 - 49 50 - 99 100 - 149150 - 199200 - 249250 - 299299 above Figure 1.1 Figure 1.1 shows the number of students according to the expenses of study materials in Taylor‟s University. Analysis shown that there are 3 male students and 6 female students spend RM0-49 for the study materials. There are 7 male students and 12 female students spend RM-99 for the study materials. There are 13 male students and 22 female students spend RM100-149 on study materials. 21 male students and 27 female students spend RM150-199 on study materials. There are 28 male students and 20 female students spend
- 11. RM200-249 for the study materials. For those who spend RM250-299, there are 23 male students and 11 female students. There are 5 male students and 2 female students spend RM299 above Study male: medium: 199.5 + [(100/2 – 44) / 28] x 50 = 210.21 mean: [24.5(3) + 74.5(7) + 124.5(13) + 174.5(21) + 224.5(28) 274.5(23) + 324.5(5)] / 100 = 137.86 mode: 199.5 + ([28-21] / [28-21]+[28-23]) x 50 = 178.67 variance: 45310.4896/100-1 = 457.68 standard deviation: ^457.68 = 21.39 Study Female: medium: 149.5 + [(100/2 – 40) / 27] x 50 = 168.02 mean: [24.5(6) + 74.5(12) + 124.5(22) + 174.5(27) + 224.5(20) 274.5(11) + 324.5(2)] / 100 = 166.5 mode: 149.5 + ([27-22] / [27-22]+[28-20]) x 50 = 168.73 variance: 14452 / 100 – 1 =146 standard deviation: ^146 = 12.08
- 12. 2. Food Expenses of Male and Female OVERALL Frequency, f Frequency, f Food Expenses(RM) 0 - 149 150 - 299 300 - 449 450 - 599 601 - 749 750 - 899 Male 2 15 21 30 19 10 Female 1 19 26 28 17 7 900 above 3 2 Number of Students (amount of foodexpenses) 35 30 25 20 Male 15 female 10 5 0 0 - 149 150 - 299 300 - 449 450 - 599 601 - 749 750 - 899900 above Figure 1.2 Figure 1.2 shows the number of students according to the expenses on food in Taylor‟s University. Analysis shown that there are 2 male students and 1 female student spends RM0-149 on food. There are 15 male students and 19 female students spend RM150-299 spend on food. 21 male students and 26 female students spend RM300-449 on food. 30 male students and 28 female students spend RM450-599 on food. There are 19 male
- 13. students and 17 female students spend RM601-749 on food. 10 male students and 7 female students spend RM 750-899 on food. For those who spend RM900 above on food, there are 3 male students and 2 female students. food male: medium: 449.5 + [(100/2 –38) / 30] x 150 = 509.5 mean: [74.5(3) + 224.5(7) + 374.5(13) + 524.5(21) + 674.5(28)+824.5(23)+974.5(5)] /100 =600.49 mode: 449.5 + ([30-21] / [30-21]+[30-19]) x 150 = 517 variance: 670421.36 / 100 – 1 =6771.93 standard deviation: ^6771.93 = 82.29 foodfemale: medium: 449.5 + [(100/2 –46) / 28] x 150 = 470.93 mean: [74.5(1) + 224.5(19) + 374.5(26) + 524.5(28) + 674.5(17) 824.5(7) + 974.5(2)] / 100= 479.5 mode: 449.5 + ([28-26] / [28-26]+[28-17]) x 150 = 466.17 variance: 629775 / 100 – 1 =6361.36 standard deviation: ^6361.36 = 79.76
- 14. 3. Clothes Expenses of Male and Female OVERALL Frequency, f Frequency, f Clothes Expenses(RM) Male Female 0 - 49 50 - 99 100 - 149 150 - 199 200 - 249 250 - 299 11 16 32 19 13 6 4 7 11 20 28 21 299 above 3 9 Number of Students (amount of clothes expenses) 35 30 25 20 Male 15 Female 10 5 0 0 - 49 50 - 99 100 149 150 199 200 249 250 299 299 above Figure 1.3 Figure 1.3 shows the number of students according to the expenses on their clothes in Taylor‟s University. Analysis shown that there are 11 male students and 4 female students spend RM0-49 on clothes. 16 male students and 7 female students spend RM5099 on clothes. There are 32 male students and 11 female students spend RM100-149 on clothes. For those who spend RM150-199 on clothes, there are 19 male students and 20 female students. There are 13 male students and 28 female students spend RM200-249 on
- 15. clothes. 6 male students and 21 female students spend RM250-299 on clothes. 3 male students and 9 female students spend RM299 above on clothes cloth male: medium: 99.5 + [(100/2 –27) / 32] x 50 = 135.44 mean: [24.5(11) + 74.5(16) + 124.5(32) + 174.5(19) + 224.5(13) 274.5(6) + 324.5(3)] / 100=143 mode: 99.5 + ([32-16] / [32-16]+[32-19]) x 50= 127.09 variance: 97376.5 / 100 – 1 =983.6 standard deviation: ^983.6 = 31.36 Cloth female: medium: 199.5 + [(100/2 –42) / 28] x 50=213.79 mean: [24.5(4) + 74.5(7) + 124.5(11) + 174.5(20) + 224.5(28) 274.5(21) + 324.5(9)] / 100=204.5 mode: 199.5 + ([28-20] / [28-20]+[28-21]) x 50 = 226.17 variance: 76300 / 100 – 1 =770.71 standard deviation: ^770.71 = 27.76
- 16. 4. Travelling Expenses of Male and Female OVERALL Frequency, f Frequency, f Travelling Expenses(RM) Male Female 0 - 49 50 - 99 100 - 149 150 - 199 200 - 249 250 - 299 7 13 15 19 22 16 10 14 16 18 20 15 299 above 8 7 Number of Students (amount of travellingexpenses) 25 20 15 Male 10 Female 5 0 0 - 49 50 - 99 100 149 150 199 200 249 250 299 299 above Figure 1.4 Figure 1.4 shows the number of students according to the expenses on their travelling in Taylor‟s University. Analysis shown that there are 7 male students and 10 female students spend RM0-49 on travelling. 13 male students and 14 female students spend RM50-99 on travelling. There are 15 male students and 16 female students spend RM100-149 on travelling. For those who spend RM150-199 on travelling, there are 19 male students and 18 female students. There are 22 male students and 20 female students
- 17. spend RM200-249 on travelling. 16 male students and 15 female students spend RM250299 on travelling. 8 male students and 7 female students spend RM299 above on travelling. Traveling male: medium: 149.5 + [(100/2 –35) / 19] x 50 = 188.97 mean: [24.5(7) + 74.5(13) + 124.5(15) + 174.5(19) + 224.5(22) 274.5(16) + 324.5(8)] / 100 = 182.5 mode: 199.5 + ([22-19] / [22-19]+[22-16]) x 50 = 216.17 variance: 68708 / 100 – 1 =694.02 standard deviation: ^694.02 = 26.34 Traveling female: medium: 149.5 + [(100/2 –40) / 18] x 50 = 177.28 mean: [24.5(10) + 74.5(14)+124.5(16)+174.5(18) + 224.5(20) 274.5(5) + 324.5(7)] / 100 = 145.55 mode: 199.5 + ([20-18] / [20-18]+[20-15]) x 50 = 213.78 variance: 75866.7175 / 100 – 1 =766.33 standard deviation: ^766.33 = 27.68
- 18. 5. Entertainment Expenses of Male and Female Frequency, f Frequency, f Entertainment Expenses(RM) Male Female 0 - 49 50 - 99 100 - 149 150 - 199 200 - 249 250 - 299 3 4 9 14 23 26 3 6 10 18 22 24 299 above 21 17 OVERALL Number of Students (amount of entertainment expenses) 30 25 20 15 Male Female 10 5 0 0 - 49 50 - 99 100 149 150 199 200 249 250 299 299 above Figure 1.5 Figure 1.5 shows the number of students according to the expenses on entertainment in Taylor‟s University. Analysis shown that there are 3 male students and 3 female students spend RM0-149 on entertainment. There are 4 male students and 6 female students spend RM150-299 spend on entertainment. 9 male students and 10 female students spend
- 19. RM300-449 on food. 14 male students and 18 female students spend RM450-599 on entertainment. There are 23 male students and 22 female students spend RM601-749 on entertainment. 26 male students and 24 female students spend RM 750-899 on entertainment. For those who spend RM900 above on entertainment, there are 21 male students and 17 female students. Entertainment male: medium: 149.5 + [(100/2 –30) / 14] x 50 = 220.92 mean: [24.5(3) + 74.5(4) + 124.5(9) + 174.5(14) + 224.5(23) 274.5(26) + 324.5(21)] / 100 = 230.5 mode: 249.5 + ([26-23] / [26-23]+[26-21]) x 50 – 268.25 variance: 91952 / 100 – 1 =928.81 standard deviation: ^928.81 = 30.48 Entertainmentfemale: medium: 199.5 + [(100/2 –37) / 18] x 50 = 235.6 mean: [24.5(3)+74.5(6)+124.5(10)+174.5(18)+224.5(22) 274.5(24)+324.5(17)]/100=219.5 mode: 249.5 + ([24-22] / [24-22]+[24-17]) x 50=260.61 variance: 84175/ 100 – 1 =850.25 standard deviation: ^850.25 = 29.16
- 20. 6.Accommodation Expenses of Male and Female Frequency, f Frequency, f Accommodation Expenses(RM) 0 - 149 150 - 299 300 - 449 450 - 599 601 - 749 750 - 899 Male 4 7 14 26 22 16 Female 2 6 13 27 23 17 900 above 11 12 Number of Students (amount of accommodation expenses) 30 25 20 15 Male Female 10 5 0 0 - 149 150 299 300 449 450 599 601 749 750 899 900 above Figure 1.6 Figure 1.6 shows the number of students according to the expenses on their accommodation in Taylor‟s University. Analysis shown that there are 4 male students and 2 female students spends RM0-149 on accommodation. There are 7 male students and 6 female students spend RM150-299 spend on accommodation. 14 male students and 13 female students spend RM300-449 on accommodation. 26 male students and 27
- 21. female students spend RM450-599 on accommodation. There are 22 male students and 23 female students spend RM601-749 on accommodation. 16 male students and 17 female students spend RM 750-899 on accommodation. For those who spend RM900 above on accommodation, there are 11 male students and 12 female students. Accommodation male: medium: 299.5 + [(100/2 –25) / 14] x 150 = 567.36 mean: [74.5(4) + 224.5(7) + 374.5(14) + 524.5(26) + 674.5(22) 824.5(16) + 974.5(11)]/100=445.1 mode: 449.5 + ([26-14] / [26-14]+[26-22]) x 150 = 511.59 variance: 674130.52/ 100 – 1 =6809.4 standard deviation: ^6809.4 = 82.52 Accommodationfemale: medium: 599.5 + [(100/2 –48) / 23] x 150 = 612.5 mean: [74.5(2) + 224.5(6) + 374.5(13) + 524.5(27) + 674.5(23) 824.5(17) + 974.5(12)] /100=617.5 mode: 449.5 + ([27-13] / [27-13]+[27-23]) x 150 = 458.43 variance: 746343/ 100 – 1 =7538.82 standard deviation: ^7538.82 = 86.83
- 22. 7. Junk Food Expenses of Male and Female OVERALL Frequency, f Frequency, f Junk Food Expenses(RM) Male Female 0 - 49 50 - 99 100 - 149 150 - 199 200 - 249 250 - 299 8 12 17 22 19 13 13 16 19 20 15 10 299 above 9 7 Number of Students (amount of junk food expenses) 25 20 15 Male 10 Female 5 0 0 - 49 50 - 99 100 149 150 199 200 249 250 299 299 above Figure 1.7 Figure 1.7 shows the number of students according to the expenses on junk food in Taylor‟s University. Analysis shown that there are 8 male students and 13 female students spend RM0-49 on junk food. 12 male students and 16 female students spend RM50-99 on junk food. There are 17 male students and 19 female students spend RM100-149 on junk food. For those who spend RM150-199 on junk food, there are 22 male students and 20 female students. There are 19 male students and 15 female students
- 23. spend RM200-249 on junk food. 13 male students and 10 female students spend RM250299 on junk food. 9 male students and 7 female students spend RM299 above on junk food. Junk food male: medium: 149.5 + [(100/2 –37) / 22] x 50 = 179.05 mean: [24.5(8) + 74.5(12) + 124.5(17) + 174.5(22) + 224.5(19) 274.5(13) + 324.5(9)] / 100= 178 mode: 149.5 + ([22-17] / [22-17]+[22-19]) x 50 = 180.75 variance: 187993 / 100 – 1 =1898.93 standard deviation: ^1898.93 = 43.58 Junk foodfemale: medium: 149.5 + [(100/2 –48) / 20] x 50 =154.5 mean: [24.5(13) + 74.5(16) + 124.5(19) + 174.5(20) + 224.5(15) 274.5(10) + 324.5(7)] /100=157.5 mode: 149.5 + ([20-19] / [20-19]+[20-15]) x 50 = 157.83 variance: 44169 / 100 – 1 =446.15 standard deviation: ^1898.93 = 21.12
- 24. 8. Petrol Expenses of Male and Female OVERALL Frequency, f Frequency, f Petrol Expenses(RM) Male Female 0 - 49 50 - 99 100 - 149 150 - 199 200 - 249 250 - 299 13 15 19 25 13 10 16 19 23 22 10 7 299 above 5 3 Number of Students (amount of petrol expenses) 30 25 20 15 Male Female 10 5 0 0 - 49 50 - 99 100 - 149150 - 199200 - 249250 - 299 299 above Figure 1.8 Figure 1.8 shows the number of students according to the expenses on petrol in Taylor‟s University. Analysis shown that there are 13 male students and 16 female students spend RM0-49 on petrol. 15 male students and 19 female students spend RM50-99 on petrol. There are 19 male students and 23 female students spend RM100-149 on petrol. For those who spend RM150-199 on petrol, there are 25 male students and 22 female students. There are 13 male students and 10 female students spend RM200-249 on petrol.
- 25. 10 male students and 7 female students spend RM250-299 on petrol. 5 male students and 3 female students spend RM299 above on petrol. Petrol male: medium: 149.5 + [(100/2 –47) / 25] x 50 = 155.5 mean: [24.5(13) + 74.5(15) + 124.5(19) + 174.5(25) + 224.5(13) 274.5(10) + 324.5(5)] /100=128.5 mode: 149.5 + ([25-19] / [25-19]+[25-13]) x 50= 166.17 variance: 79372 / 100 – 1 =801.74 standard deviation: ^801.74 = 28.32 Petrolfemale: medium: 99.5 + [(100/2 –35) / 23] x 50 = 132.11 mean: [24.5(16) + 74.5(19) + 124.5(23) + 174.5(22) + 224.5(10) 274.5(7) + 324.5(3)] / 100=116.5 mode: 99.5 + ([23-19] / [23-19]+[23-22]) x 50 = 139.5 variance: 93548 / 100 – 1 =944.93 standard deviation: ^944.93 = 30.74
- 26. 9. IT Expenses of Male and Female OVERALL Frequency, f Frequency, f IT Expenses(RM) Male Female 0 - 49 50 - 99 100 - 149 150 - 199 200 - 249 250 - 299 6 9 11 14 17 24 7 11 12 13 16 23 299 above 19 18 Number of Students (amount of IT expenses) 30 25 20 15 Male Female 10 5 0 0 - 49 50 - 99 100 149 150 199 200 249 250 299 299 above Figure 1.9 Figure 1.9 shows the number of students according to the expenses on IT in Taylor‟s University. Analysis shown that there are 6 male students and 7 female students spend RM0-49 on IT. 9 male students and 11 female students spend RM50-99 on IT. There are 11 male students and 12 female students spend RM100-149 on IT. For those who spend RM150-199 on IT, there are 14 male students and 13 female students. There are 17 male students and 16 female students spend RM200-249 on IT. 24 male students and 23
- 27. female students spend RM250-299 on IT. 19 male students and 18 female students spend RM299 above on IT. IT male: medium: 199.5 + [(100/2 –40) / 17] x 50 = 228.91 mean: [24.5(6) + 74.5(9) + 124.5(11) + 174.5(14) + 224.5(17) 274.5(24) + 324.5(19)] / 100=212 mode: 249.5 + ([24-17] / [24-17]+[24-19]) x 50 = 278.67 variance: 79843 / 100 – 1 =806.5 standard deviation: ^806.5 = 28.4 IT female: medium: 199.5 + [(100/2 –43) / 16] x 50 = 221.38 mean: [24.5(7) + 74.5(11) + 124.5(12) + 174.5(13) + 224.5(16) 274.5(23) + 324.5(18)] / 100=205 mode: 249.5 + ([23-16] / [23-16]+[23-18]) x 50 = 278.66 variance: 62611 / 100 – 1 =632.44 standard deviation: ^632.44 = 25.15
- 28. 10. Telecommunication Expenses of Male and Female Frequency, f Frequency, f IT Expenses(RM) Male Female 0 - 49 50 - 99 100 - 149 150 - 199 200 - 249 250 - 299 5 12 16 24 20 15 7 16 18 22 17 12 299 above 8 8 Number of Students (amount of telecommunication expenses) 30 25 20 15 Male Female 10 5 0 0 - 49 50 - 99 100 149 150 199 200 249 250 299 299 above Figure 1.10 Figure 1.9 shows the number of students according to the expenses on telecommunication in Taylor‟s University. Analysis shown that there are 5 male students and 7 female students spend RM0-49 on telecommunication. 12 male students and 16 female students spend RM50-99 on telecommunication. There are 16 male students and 18 female
- 29. students spend RM100-149 on telecommunication. For those who spend RM150-199 on telecommunication, there are 24 male students and 17 female students. There are 20 male students and 17 female students spend RM200-249 on telecommunication. 15 male students and 12 female students spend RM250-299 on telecommunication. 8 male students and 8 female students spend RM299 above on telecommunication. Telecommunication male: medium: 149.5 + [(100/2 –33) / 24] x 50 = 184.92 mean: [24.5(5) + 74.5(12) + 124.5(16) + 174.5(24) + 224.5(20) 274.5(15) + 324.5(8)] / 100=184 mode: 149.5 + ([24-16] / [24-16]+[24-20]) x 50=182.83 variance: 70631/ 100 – 1 =713.45 standard deviation: ^6713.45 = 26.71 Telecommunicationfemale: medium: 149.5 + [(100/2 –41) / 22] x 50 = 169.95 mean: [24.5(7) + 74.5(16) + 124.5(18) + 174.5(22) + 224.5(17) 274.5(12) + 324.5(8)] / 100=171.5 mode: 149.5 + ([22-18] / [22-18]+[22-17]) x 50=171.72 variance: 70063/ 100 – 1 =707.71 standard deviation: ^707.71 = 26.6
- 30. 11. The Students who stay at Hostel Figure 11.1 and figure 11.2 show the percentage of the students who stay at the hostel. The percentage of the students who stay at hostel male yes 27% no 73% Figure 11.1 female 1 26% 2 74% Figure 11.2 According to the survey we have done with the male students, there are 27% reply „Yes‟ and 73% reply „No‟. In figure 11.2, there are 26% female students reply „Yes‟ and 74% reply „No‟.
- 31. 12. Junk Food Consumption Figure 12.1 and figure 12.2 show the percentage of the students who take junk food. The percentage of the students who take junk food. more than 9 hours 9% male less 3 hours 19% 6-9 hours 31% 3-6 hours 41% Figure 12.1 4 10% female 1 18% 3 40% 2 32% Figure 12.2 According to the survey we have done with the male students, there are 19% male student take junk food less than 3 hours, 41% take junk food in between 3 to 6 hours, 31% take junk food in between 6 to 9 hours and 9% take more than 9 hours. In figure 12.2, there are 18% female students take junk food less than 3 hours, 32% takes 3 to 6 hours, 40% takes 6 to 9 hours and 10% takes more than 9 hours.
- 32. 13. The Students who drive car Figure 13.1 and figure 13.2 show the percentage of the students who drive car to school. The percentage of the students who drive car to school. male no 47% yes 53% Figure 13.1 female 2 58% 1 42% Figure 13.2 According to the survey we have done with the male students, there are 53% reply „Yes‟ and 47% reply „No‟. In figure 13.2, there are 42% female students reply „Yes‟ and 58% reply „No‟.
- 33. 14. The Students use IT Figure 14.1 and figure 14.2 show the percentage of the students who use IT. The percentage of the students who use IT. male no 40% yes 60% Figure 14.1 female 2 45% 1 55% Figure 14.2 According to the survey we have done with the male students, there are 60% reply‟ Yes‟ and 40% reply „No‟. In figure 14.2, there are 55% female student reply „Yes‟ and 45% reply „No‟.
- 34. 15. Students who use Internet Figure 15.1 and figure 15.2 show the percentage of the students who use Internet. The percentage of the students who use Internet. more than 6 hours 28% male less than 1 hour 14% 1-3 hours 17% 3-6 hours 41% Figure 15.1 female 4 20% 3 40% 1 18% 2 22% Figure 15.2 According to the survey we have done with the male students, there are 14% use Internet less than 1 hour, 17% use internet in 1 to 3 hours, 41% use internet in 3 to 6 hours and 28% use internet more than 6 hours. In figure 15.2, there are 18% female student uses internet less than 1 hour, 22% use the internet in 1 to 3 hours, 40% use internet in 3 to 6 hours and 20% use more than 6 hours.
- 35. 16. Students who use Phone Figure 16.1 and figure 16.2 show the percentage of the students who use Phone. The percentage of the students who use Phone. more than 45 minutes 31% less than 15 minutes 7% male 15 - 30 minutes 20% 30 - 45 minutes 42% Figure 16.1 female 4 26% 1 11% 2 25% 3 38% Figure 16.2 According to the survey we have done with the male students, there are 7% use phone less than 15 minutes, 20% use phone in 15 to 30 minutes, 42% use phone in 30 to 45 minutes and 31% use phone more than 45 minutes. In figure 16.2, there are 11% female student use phone less than 15 minutes, 25% use phone in 15 to 30 minutes, 38% use phone in 30 to 45 minutes and 26% use phone more than 45 minutes.
- 36. 17. Students who use Phone Figure 17.1 and figure 17.2 show the percentage of the students who use the type of phone brand. The percentage of the students who the phone brand. male other 20% Apple 37% nokia 10% samsung 33% Figure 17.1 female 4 25% 3 5% 1 40% 2 30% Figure 17.2 According to the survey we have done with the male students, there are 37% prefer Apple, 33% prefer Samsung, 10% prefer Nokia and 20% prefer the others. In figure 17.2, 40% female student prefers Apple, 30% prefer Samsung, 5% prefer Nokia and 25% prefer the others.
- 37. 18. Students who use Phone Figure 18.1 and figure 18.2 show the percentage of the students who are smart spending. The percentage of the students who are smart spending. male no 42% yes 58% Figure 18.1 female 2 56% 1 44% Figure 18.2 According to the survey we have done with the male students, there are 58% reply „Yes‟ and 42% reply‟ No‟. In figure 18.2, there are 44% female students reply „Yes‟ and 56% reply „No‟.
- 38. Conclusion The survey gives us the opportunity to analyze and solve problems that involve various mathematical principles. Through the surveys, we learn to collect, organize, present and draw conclusion for simple statistical data. It also gives us a better understanding to apply the correct fundamental mathematical principles.

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