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# Edexcel GCSE Mathematics A Higher Paper 2016 Unofficial Markscheme

1. (Original post by junayd1998)
well i assume you work out all of the totals of the bars on the histogram then divide by how many there are? Not sure.
thats not the mediean, thats the mean.
2. (Original post by ameenatariq)
thats not the mediean, thats the mean.
Oh yh, oops I just do these http://www.mathsgenie.co.uk/resource...histograms.pdf
3. I think you add up all the frequencies then divide by 2 and count along the frequency bar until you get to the class that you are looking for eg 40 (total frequency) then divide by 2 then go down the classes and see where it fits, because it's GCSEs they won't make it difficult our teacher said so then look on the histogram and count up from the class to see where the number fits it's difficult explaining like this so if you still don't get it just ask your teacher. Hope I helped 🤔
4. Does anyone know if I'll get any marks for this?
Q5) I did 900/18 to get 50
Q8) I did 300/80 which is 3.75, I rounded this to 4 and then did 4 x 16 to get 64

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5. Q9. I put 1/4x + y, which is the same as 5x + 20y, but just shortened down. Would I get any marks for this?

Q15. For question 15, I compared the median, the least values and the biggest values . Would this get 3 marks?!
6. (Original post by lucygr8y)
Q9. I put 1/4x + y, which is the same as 5x + 20y, but just shortened down. Would I get any marks for this?

Q15. For question 15, I compared the median, the least values and the biggest values . Would this get 3 marks?!
1/4x+y =/= 5x+ 20y

And you're supposed to compare median / average and upper and lower quartile values.
7. (Original post by 34908seikj)
1/4x+y =/= 5x+ 20y

And you're supposed to compare median / average and upper and lower quartile values.
Oh no😭 ok, I messed this paper so much! I need about 92 tomorrow for an A*
8. (Original post by lucygr8y)
Oh no😭 ok, I messed this paper so much! I need about 92 tomorrow for an A*
what do you think you got in the first paper?
9. around 79 +-1or 2
10. (Original post by 34908seikj)
1/4x+y =/= 5x+ 20y

And you're supposed to compare median / average and upper and lower quartile values.
for the 5x + 20y I simplified to 5(x + 4y), would that be correct?
11. (Original post by louisemayorx)
for the 5x + 20y I simplified to 5(x + 4y), would that be correct?
Yeah it would.
12. Hello! For question 15, I compared the interquartile range and the lower quartile and the highest values on the box and whisker plots but I didn't compare the median, how many marks would I get???!!!
13. On the circle theorem question, I put angles at a tangent = 90 degrees, would I get at least a mark for that? I also put something about an isosceles triangle, I did really badly on this paper ngl....
14. What would 48 marks be as a grade?
15. (Original post by livvylue2000)
What would 48 marks be as a grade?
Out of 100 or 200?
48/100 would be very close to B.
16. (Original post by livvylue2000)
What would 48 marks be as a grade?
48 marks out of 200 (both papers combined) would be a D.
48 marks out of 100 would be half way from a B and around 20 marks from a C.

Good luck everyone for tomorrow. Just scored 88-90/100 in a couple of past papers, hopefully I can score near enough the same in the actual test!
17. Would this get 1 or 2 marks?!
18. how high will the grade boundaries for a c be this year?
It was very complicated for me and there was no correlation stem and leaf diagram or cumulative frequency!
It's so unfair because those would've garanteed atleast 15 marks
19. (Original post by Matilda612)
how high will the grade boundaries for a c be this year?
It was very complicated for me and there was no correlation stem and leaf diagram or cumulative frequency!
It's so unfair because those would've garanteed atleast 15 marks
Steam and leaf can still come up tomorrow as well as cumulative frequency.
I think it was an average paper so the 'C' grade will be 35 out of 100.
20. (Original post by lucygr8y)
Would this get 1 or 2 marks?!
You did nothing wrong, so you'll get two marks.

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