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Hi everyone, so I'm a yr 11 going to yr 12 in the next few days but I'm still struggling with yr 12 subject selections. For context, here is my cumulative rank for yr 11 Physic: 1/ 24 Chem: 1/ 45 Math 2U Accelerate 4/95 Math 3U 1/79 Economic: 3/16 Biology: 5/ 94 Although I'm first rank for...

Hi everyone, Im genuinely curious about what this course is like, as there're not much info about it. Can anyone who do/ did science extension give me a review of it and Do you reckon it possible to do it along with math 4u and like potentially 3 sciences (chem, physic, bio) as Im planning on...

I'm really confused about how to use mean, median, SD, and IQR to compare 2 data. Does lower SD mean more reliable data or it is just that data has a more reliable mean? and also when we find a median, Q1, or Q3 of a grouped data do we just use the midpoint of each grouped data to calculate the...

Hi everyone, so basically Im doing ext 1 yr 11 at Dr Du right now. Im in a1 and find it great however the price is just too overwhelmingo_O. I'm planning on picking up ext 2 in the future and I'm pretty sure the tuition fee is too much if I do Du. I heard about Ngo and Sons and people say it is...

Hi, Just a little bit of my background, I'm an accelerated math adv student and I'm doing HSC math Adv this year. For my first assessment, I did very well and rank 1st but the second one was a nightmare, and because of that assessment my cumulative rank drop out of the top 5 ( still in the top...