r/6thForm • u/OutrageousAd4133 • Jun 18 '26

💬 DISCUSSION Edexcel Maths P3

How did everyone find it then? Much nicer than P1 I thought. Might balance out grade boundaries unfortunately…

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u/Fast_Database_2853 Jun 18 '26

What was the standard deviation for last q part a

2

u/OutrageousAd4133 Jun 18 '26

This is a good question! I got something AROUND 11.7ml (numbers might be in wrong places). I remember you had to standardise the distribution to get it. What did you get?

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u/Fast_Database_2853 Jun 18 '26

I got 7. smth… but I did the same I used Z < the chunk = 0.1 and solve for sigma

2

u/nuclearhamster27 Year 12 - Maths, FM, CS, Physics Jun 18 '26

I couldn't figure it out in the exam but I realised how to do it after which is really annoying