Sigurado ako by now, may nakapagsabi na sayo yung technique na ginagawa nila pag multiple choice yung exam. Most likely, eto yun:

When in doubt, choose b or c.

Sinabi din to samin nung prof ko dati. Since yung sa board exam nga daw ay automated yung pagpili ng questions sa database. So automated din daw yung pag lalagay nung position nung Correct answer sa choices.

In an attempt to prove the theory na may preference yung pag-automate sa b and c na answer...
-Gumawa ako ng program na nagrarandomize ng number from 1 to 4. 1 represents a, 2 for b, 3 for c and 4 for d. Simulating yung correct letter of answer.
-I made it to simulate the board exam na gumagawa ng 100 questions.
-ni-simulate ko din na gumawa ng 50 exams yung program.
-Kinuha ko yung Mean, Median, at Relative Frequency Distribution per batch.
-1 batch = 1 run of the program
-I took 5 batches.

Eto yung source code: Click on the Text Area, press CTRL+A, then CTRL+C to copy the source code
#include<iostream.h> #include<conio.h> #include<stdlib.h> #include<time.h> #include<iomanip.h> float findmedian(int x[50]); void sort(int x[50]); void frequency(int f[4][6], int x[50], int i); void variance(float s[], int x[50], float average[], int i); void variance(float s[], int x[50], float average[], int i) { int a; float m[50], n[50], sum=0.0; for(a=0; a<50; a++) { m[a]=x[a]-average[i]; n[a]=m[a]*m[a]; sum=sum+n[a]; } s[i]=sum/49; } void frequency(int f[4][6], int x[50], int i) { int j, a; for(j=0; j<50; j++) { if(x[j]>10&&x[j]<16) a=0; else if(x[j]>15&&x[j]<21) a=1; else if(x[j]>20&&x[j]<26) a=2; else if(x[j]>26&&x[j]<31) a=3; else if(x[j]>30&&x[j]<36) a=4; else if(x[j]>35) a=5; f[i][a]++; } } void sort(int x[50]) { int temp, i, j, a; for(i=0; i<50; i++) { temp=0; j=i; while(j<50) { if (x[j]>temp) { temp=x[j]; a=j; } j++; } x[a]=x[i]; x[i]=temp; } } float findmedian(int x[50]) { sort(x); float median; median=(x[24]+x[25])/2; return median; } main() { int a[50], b[50], c[50], d[50], key; float sum, average[4], median; clrscr(); randomize(); for(int i=0; i<50; i++) { a[i]=0; b[i]=0; c[i]=0; d[i]=0; for(int j=0; j<100; j++) { do key=random(5); while(key==0); switch (key) { case 1: a[i]++; break; case 2: b[i]++; break; case 3: c[i]++; break; case 4: d[i]++; } } if (i>0&&i%2!=0) cout<<"\t"; cout<<"Trial "<<i+1<<": "; if (i<9) cout<<" "; cout<<"a="<<a[i]<<" b="<<b[i]<<" c="<<c[i]<<" d="<<d[i]; if (i>0&&i%2!=0&&i!=49) cout<<endl; } getch(); clrscr(); cout<<endl<<endl; cout<<"Average incidence of Answers after 50 trials of 100 questions:"<<endl<<endl; for(i=0; i<4; i++) { sum=0; for(int j=0; j<50; j++) { switch (i) { case 0: sum=sum+a[j]; break; case 1: sum=sum+b[j]; break; case 2: sum=sum+c[j]; break; case 3: sum=sum+d[j]; } } average[i]=0.0; average[i]=sum/50; switch (i) { case 0: cout<<"A="; break; case 1: cout<<" B="; break; case 2: cout<<" C="; break; case 3: cout<<" D="; } cout<<average[i]<<setprecision(2)<<"%"; } cout<<endl<<endl; cout<<"Median after 50 trials"<<endl<<endl; for(i=0; i<4; i++) switch (i) { case 0: median=findmedian(a); cout<<"A="<<median; break; case 1: median=findmedian(b); cout<<" B="<<median; break; case 2: median=findmedian(c); cout<<" C="<<median; break; case 3: median=findmedian(d); cout<<" D="<<median; } cout<<endl<<endl; getch(); clrscr(); cout<<"A\tB\tC\tD"<<endl; for(i=0; i<50; i++) { cout<<a[i]<<"\t"<<b[i]<<"\t"<<c[i]<<"\t"<<d[i]<<endl; if(i==25) getch(); } getch(); clrscr(); cout<<endl<<endl<<endl; int f[4][6]; for(i=0; i<4; i++) { for(int j=0; j<6; j++) f[i][j]=0; switch (i) { case 0: frequency(f, a, i); break; case 1: frequency(f, b, i); break; case 2: frequency(f, c, i); break; case 3: frequency(f, d, i); } } cout<<"Relative Frequency Distribution"<<endl; cout<<"\tA\t\tB\t\tC\t\tD"<<endl; cout<<"Range\tExams\t%\tExams\t%\tExams\t%\tExams\t%"<<endl; for(i=0; i<6; i++) for(int j=0; j<4; j++) { if(j==0) switch (i) { case 0: cout<<"11-15\t"; break; case 1: cout<<"16-20\t"; break; case 2: cout<<"21-25\t"; break; case 3: cout<<"26-30\t"; break; case 4: cout<<"31-35\t"; break; case 5: cout<<">35\t"; } float percentage=0.0; percentage=f[j][i]/50.0; cout<<f[j][i]<<"\t"<<percentage<<setprecision(2); if(j<3) cout<<"\t"; else cout<<endl; } getch(); clrscr(); float s[4]; for(i=0; i<4; i++) switch (i) { case 0: variance(s, a, average, i); break; case 1: variance(s, b, average, i); break; case 2: variance(s, c, average, i); break; case 3: variance(s, d, average, i); } cout<<"Variance"<<endl; cout<<"A="<<s[0]<<" B="<<s[1]<<" C="<<s[2]<<" D="<<s[3]; getch(); return 0; }

Eto ang results...

Data

so ayan sa taas yung 5 batches ng data

Mean and Median

So as you can see, sa limang batches ng 50 exams, magkakalapit lang yung mean at median nung apat na sagot. Ibig sabihin walang preference sa b at c na sagot. halos pantay pantay lang yung incidence nung mga sagot.

Relative Frequency Distribution

In general, pinakacommon yung 21-25 number range for all choices. Pumapangalawa yung 26-30. Or baliktad dun sa iba. Pero pwede natin maconclude na mataas yung frequency from the 21-30 range. Population mean is 25.5, so safe assumption na 25 questions na ang sagot ay isa sa choices out of 100 questions. Tig te-25 ang a, b, c at d.

Conclusion
Walang katotohanan yung preference sa multiple choice na b and c sa board exam. Of course, ako kasi yung nagsulat ng program na ito at wala akong nilagay na segment na magkakaron ng preference sa choices.

Meron akong theory kung totoo man yung preference sa b and c. Pag hindi automated or manual yung pag sulat nung choices, ang mindset, itago sya sa gitna, which are b and c.

Eto yung human factor in making the exam. Akala lang ng tao random nya ginagawa pero subconsciously, may pattern syang nagagawa or yung mindset nga sa gitna ilagay.

Kaya kung totoo yung preference ng b and c sa board exam, in my opinion, hindi automated yung pag jumble nung choices. Malamang, random lang yung questions. Pero kasamang ini-input yung choices dun sa database. Kaya pag napili nung computer yung question, kung pano ininput yung choices sa database, ganun na sya i-a-output.

Isa lang ang paraan para maconfirm natin to. Kung ipapakita yung source code nung Question Randomizer na ginagamit for the board exam, matetrace kung meron ngang preference segment. Pero asa naman na ipapakita saken yun!

Super duper everlou ecklavou ang saya ng Last day! Puro scripting ang ginawa namin! Woohoo!! Ansaya saya! Gumawa kami ng game, parang pacman! Astig! Sige idedevelop ko yun! Excited nako! Woohoo! Well, hindi ko naman mamimiss yung instructor namin kasi bata pa nga siya, kaya ok lang na maghiwalay na kami ng landas. Wahahahahaha! Nakakaexcite!

Infairnalou, ansaya saya ng topic namin kanina! Per frame animation kasi kami knina. Ginawa namin yung exampla na naglalakad na stick figure. Akala nyo lang madali gawin yun pero sa totoo lang medyo mabusisi din. Kelangan mo pa kasi ng imagination para magmukhang smooth yung animation mo. Astig! Ansaya talaga nun.

Next topic namin is all about websites na. Medyo nakakarelate nako kasi web designer din kasi ako. Ang tricky pala nung flash type na site. Pero infairness, napakaingenius talaga nung pagkakagawa. Kaso dito sa flash website kelangan mo pang icode yung mga scripts. Eh wala naman akong book ng mga scripts. Kaya kelangan ko pang magresearch. Astig talga yung ginawa namen! Asteg talaga! LAst day na sa Friday! Boohoo!

Medyo nagiging interesting na yung nagiging topic namin ah. Motion tween na, nung last kasi shape tween. Ang pagkakaiba lang nila ay super basic, yung motion ang graphic, yung shape, pang-shape. Grabeh kahit ata elementary kayang tandaan yun. Medyo interesting na nga sya kasi medyo nag-aanimate na kami. Yung one shape will turn to another shape. All the different properties ng graphic at shape ay nadiscuss din.

Andami ngang pinagawang exercise. Gumawa ng Advertisment, ng solar system. Pero I enjoyed doing those things. Ansaya talaga! Yung solar system, practice na yun sa atom model na balak kong gwain.

The prime reason why I haven't posted any blogs lately is because I'm currently addicted to an online game called Granado Espada. I actually played it when it was in the Beta test version. As soon as the beta test was over, I refrained from playing it anymore, because most of the time, after the beta test, there will be a fee for playing. A fee for the game itself, and a fee for the computer terminal in the computer shop.
Recently I found out that there was never an implementation of fees, so the rest of the boys (my dear friends) and I started playing together at DC link (the compshop).


I was able to post this entry because the Granado Espada servers are down. Too bad! Haaay... OMG! I'm hooked! After the servers are up, I will take a picture of my characters. They are pretty stylish so I want to level them up as soon as possible.

I emailed the people from STePS because I would like to volunteer.

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From: John Wilbert De Guzman [mailto:wilbertdeguzman@yahoo.com]
Sent: Friday, November 30, 2007 8:09 PM
To: Volunteer
Subject: Volunteer work



Good day, I'm John Wilbert N. de Guzman, 19 years old from the Faculty of Engineering, taking up Chemical Engineering. I'm currently a third year student. You can contact me thru my cel: 09065790001 or at our house 2546029.

With my schedule right now I can work for 1 onwards every tuesday, wednesday and friday.

I'm currently the vice-chair of the Creative services committee of the Chemical Engineering Society. I'm in charge of the posters, tarpaulins, and anything that needs designing using a software. I'm in charge of the website of the UST-ChES, however, it was not push through.

Here is the unfinished website of UST-ChES.

I'm more adept in web designing, but I can also do programming.

Thanks for your time!

---

The next morning, a reply came.

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Ei John!



Good day!



I would be very thankful upon seeing you one time in our office.



My cell number is 09195387119

My office number 4061811

4061611 loc 8911



I’ll be out starting Monday, Tuesday and Thursday this coming week.



I am in the office on Wednesday, Dec. 5. Just inform me about your plan of visit.



Thanks.





Mhar

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Shocks! nakakakaba naman!

Intro
Lately, I've been addicted to games downloadable from the internet. Here are my favorites.

Avada

This is game is a brain teaser game. I love it! It makes you think about what to do with the objects that you find. And also solve pretty good puzzles.

Miss Management
This game is so hilarious! it's about being a manager of some kind of an office. You will need to supervise different persons with different personalities. This is really addicting.

Inspector Parker
This is will make you think. You're Inspector Parker, and you're to investigate the crime scene. Figure out where each person is and where are the items located by using the clues on the right side of the screen. It's really addicting!

Belle's Beauty Boutique
This game is really easy. No challenge at all. But its fun to see Belle attending to the customers' needs. Pretty addicting actually.

1st Game
My Character: Krobelus, Dark Prophet.
Standing: 2nd. 5 kills, 4 Deaths
Items: Vlademir's Offering, Boots of Travel, Refresher Orb, Bracer, Ultimate Orb, Point Booster
Overall Team: Win

2nd Game
My Character: Lina Inverse, Slayer.
Standing: 2nd. 7 Kills, 4 Deaths
Items: Boots of Speed, Ring of Basilius, Aghanim's Scepter, Perseverance, Bracer
Overall Team: Win

3rd Game
My Character: Furion, Prophet.
Standing: 5th. 2 Kills, 6 Deaths.
Items: Boots of Speed, Hand of Midas, Mechanism, Guinsoo's Vyse, Bracer
Overall Team: Lose.