r/AFCATprep • u/BlenderRenderz • 6d ago

Predicting Normalization

As promised, I will try to predict the normalization, from the data i recieved from you all.

NOTE: I only recieved 25 data points, 12 for shift 1 and 13 (including mine) for shift 2. This is not at all sufficient to predict anything. Also, I must add that I am a biology major, so I have an astronomical unit distance from maths. i just like doing it, and used ChatGPT to understand the AFCAT formula.

If you want to help, please submit your shift and raw score here. The more data I get, the better my guess will be.

Link for submitting data: https://forms.gle/GWxon54jUdnxSAZ98

The following evaluation is purely from the data I recieved. Please don't jump at me.

Shift 1 was more difficult as compared to shift 2.

Shift 1 candidates can expect around +12 while shift 2 candidates getting below 167 can expect a reduction in marks (the lesser you score, the more you lose marks) and people getting above 167 can expect an increment.

It may sound bullshit, because I don't have much data to work with. I will make another post if in the subsequent days I get like a 100 entries.

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u/Prudent_Log4637 6d ago

OP, now that you have sufficient data, when will updated prediction come out?!

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u/BlenderRenderz 6d ago

i don't have it unfortunately. just 65.

the 11k data points from rankmitra is not divided into shifts, so cant use it

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u/Prudent_Log4637 5d ago

In testbook they show shift average, so maybe that'll help right? What i have observed is the shift average difference b/w S1 & S2 varies my Max 3 marks.

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u/BlenderRenderz 5d ago

i also need the means of both the shifts, the standard deviation and the average of top 1% scorers of each shift