# Cassy L.

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Female
• Exams
May 2014
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1. ## Summative Reviews Hosted for Studying May 2014 Exams, Plz Share!

Any resources that give IB reviews in relatively full sessions (not just selective chapters out of the course, History HL of course is different), such as youtube channels, teacher blogs, websites and such? or any sites that host past exams would be nice too for Biology HL, Chemistry SL, History HL, English Lit HL? Thanks !!
2. ## May 2014 Is my understanding of continuous probability distribution alright?

Thank you so much for the feedback! ill try to squeeze in any math notations where i can... hard for me since i never learned this ..
3. ## May 2014 Is my understanding of continuous probability distribution alright?

Hey im doing math exploration on norm-referenced grading, and i decided to add on a more complex explanation to bell curve in hope to earn some smiley faces... Im SL student so never learned anything about it, the paragraph is the essence of an hour on wiki, i just wanted to make sure my understanding is alright, i know it is not sophisticated or anything, but it is my accomplishment to put it in my own words.. plagiarism is sin, intelligent manipulation is gold.. just see if i got my basics right... Continuous probability distribution has the probability density function, and its random var
4. ## IA Math Exploration Help Norm Distribution grading Too Simple or okay?

Thank you! i already have my first rough draft in I am SL student, and i think it is little late for me to change it completely, so i was wondering is there something else i can add to it? I know it is asking too much but since i never learned anything outside of syllabus ... i can't really think off "outside of course" stuff any directional help is much appreciated, thank you!
5. ## IA Math Exploration Help Norm Distribution grading Too Simple or okay?

My math exploration is on the topic of norm distribution curve grading, where i examine how teacher can use norm distribution, z-score to alter students' scores, aka scaling My aim is to see who benefit the most from the class if a teacher do scale a test so ill be using a hypothetical set of raw scores from students as raw data, calculate the average, standard deviation, then i would use them to calculate the z-score of each student's raw mark decide what should teacher's "ideal distribution" would be, and plot in the z-score of raw mark to the new ideal bell curve to see the scaled mark and
6. ## History ee research question help - reforms in 1890s China

I want to do my essay on the reform movement happened in the 1890s China, particularly after the Sino-Japanese war, with Kang YouWei and other reform minded people I want to write about how those reformists' actions were enlightening the society, and how they were beneficial, and had greater effects on the society (such as Kang's idea of constitutional democracy, public schools, his book that denied old Confucian learning of three bonds) The research question I came up with is: To what extend can the reformations in 1890s China be considered an enlightenment era? I have A LOT of troubles to wo
7. ## TOK presentation - designer babies

Haha i did mine on the plain and simple "abortion", and i got 18/20 for my legit TOK presentation One thing i always tell people when it comes to the presentation, remember it is a TOK presentation, not a moral debate, a science investigation, blah blah blah... It is the theory of knowledge, so like above said, its about AOK and WOKs. The tip my teacher gave me, is that the topic of "designer baby" or "abortion", are all just real life situation, your knowledge claim cannot be "designer baby is bad, go to hell with semen" it is about how this real life situation leads you to a broader, general