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What is considered higher level math? (IA help)

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So I'm currently in Math HL and I am doing my IA on modeling the total precipitation of my city over the course of a year. Right now, the only mathematical thing that I have done is polynomial regression by hand to get an equation fitting my data points. However, I have heard that modelling is usually not enough to show higher level math so I don't know if I should change my topic or just somehow find a way of statistics that is hl???

TL;DR How am I supposed to demonstrate higher level math in an IA????

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Polynomial regression is based on multivariable calculus, so if you can derive the formula then that's beyond HL. Just because you do calculations by hand doesnt mean you get extra marks.

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I think the criteria uses some big but vague word like "concurrent with curriculum" or something of that sort. So the safe way is to do something that you can classify into one of the topics of the course, but the content of it should probably be 50% above the curriculum (I did stats, using some distributions taught in the course and some that weren't).

Like kw said, calculations by hand won't add marks, there's no criteria for effort. However, if IB feels that it's something better done by computer to give a clearer mathematical representation (ESPECIALLY when it comes to graphs or anything that is required to be neat/precise), it's probably more likely that you'll be docked marks instead.

If you have any burning questions, asking your teacher is probably also a good idea.

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Thank you for the advice! :D

7 hours ago, kw0573 said:

Polynomial regression is based on multivariable calculus, so if you can derive the formula then that's beyond HL. Just because you do calculations by hand doesnt mean you get extra marks.

I don't know anything about calculus so that might not be possible but I think that not doing things by hand will free up a lot of space for me :D

 I think that I might have a better idea of what's going on. I'm thinking of doing some statistical stuff and seeing how far I can go, I suppose :3

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