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 Post subject: 303 Score - Raw marks RequestPosted: Mon May 21, 2018 7:53 pm

Joined: Sat Dec 29, 2012 12:40 pm
Posts: 66
Location: Hockley, Essex
Hi All,

Could anyone please help me?. I’m looking to find out what raw scores equate to the minimum pass mark of 303 as we are in catchment. I appreciate it varies every year just looking for a guide. Many thanks. Hoping someone can help.

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 Post subject: Re: 303 Score - Raw marks RequestPosted: Mon May 21, 2018 10:43 pm

Joined: Wed Jan 18, 2012 12:41 pm
Posts: 10612
Location: Essex
This is the calculation:

Standardised score = (((raw score - mean) /standard deviation) x 15) + 100
Total score = 1.5 x standardised Mathematics + 1.5 x standardised English.

And here are the mean scores and standard deviations for the 2018 entry papers (from the 2018 collated cut-offs thread):

English (% since from 2012 to 2014, the paper was marked out of 50, but from 2015 out of 60)
____________________ 2012 ____ 2013 ___ 2014 ____ 2015 ____2016 ____ 2017 ____2018
mean ________________46.0____ 37.4____ 49.3_____ 55.3 ____ 50.8 ___ 47.2 ____ 67.1
standard deviation ____ 13.8____ 14.2____ 13.8_____ 14.4 ____ 9.2 _____8.1_____ 8.7

67.1% of 60 = raw score of 40.26

Mathematics (% since from 2012 to 2014, the paper was marked out of 40, but from 2015 out of 60)
____________________ 2012 ____ 2013 ___ 2014 ____ 2015 ____2016 ____2017_____2018
mean ________________ 54.1____ 54.6____ 52.1_____ 63.9 ____ 59.9 ____58.3_____54.1
standard deviation _____ 20.4____ 17.7 ____ 20.5 ___ 17.8 _____12.8 ____ 12.0 ____ 11.2

54.1% of 60 = a raw score of 32.46

Applying a bit of trial and improvement, I calculated that

• an English score of 36 plus Maths of 36 would have given a standardised score of 296.094

• an English score of 36 plus Maths of 40 would have given a standardised score of 304.13

• an English score of 38 plus aMaths of 37 would have given a standardised score of 303.275

(I think! - feel free to chip in and tell me I must have gone horribly wrong somewhere ).

_________________
Outside of a dog, a book is a man's best friend. Inside of a dog it's too dark to read.Groucho Marx

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 Post subject: Re: 303 Score - Raw marks RequestPosted: Sat May 26, 2018 1:11 pm

Joined: Sat Dec 29, 2012 12:40 pm
Posts: 66
Location: Hockley, Essex
Thank you. Looks like 60% minimum in both papers. Best crack on then

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 Post subject: Re: 303 Score - Raw marks RequestPosted: Mon Jun 04, 2018 9:17 pm

Joined: Tue Oct 15, 2013 10:18 am
Posts: 63
Thanks for the explanation, ToadMum - the leap from 2017 English to 2018 English seems massive! Must have either been a much easier paper than previous years, or a much stronger (in English at least) cohort? I haven't seen the paper (the most recent one we have is the 2017 intake Ishiguro one) but I'd love to know how such a big difference came about??

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 Post subject: Re: 303 Score - Raw marks RequestPosted: Tue Jun 05, 2018 8:23 am

Joined: Sat Oct 14, 2017 10:16 am
Posts: 32
Hi,

I had one daughter sit the 2017 paper and one the 2018 paper. Both of mine are very strong in English. The 2017 paper was a lot harder than the 2018 English paper. My middle daughter came out saying it was a lot easier than any of the practice papers she had sat.

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 Post subject: Re: 303 Score - Raw marks RequestPosted: Sat Feb 02, 2019 2:40 pm

Joined: Sat Feb 02, 2019 2:32 pm
Posts: 5

I wonder if you can help. My daughter had a practice using the 2015 CSSE papers. She scored 42/60 raw on English and 45/60 on maths. I've tried several times to work out the standardised score using your figures above but am getting way-out results. I wondered if you could kindly calculate it for me please. Thank you.

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 Post subject: Re: 303 Score - Raw marks RequestPosted: Sun Feb 03, 2019 6:50 pm

Joined: Wed Jan 18, 2012 12:41 pm
Posts: 10612
Location: Essex
EasterMum wrote:

I wonder if you can help. My daughter had a practice using the 2015 CSSE papers. She scored 42/60 raw on English and 45/60 on maths. I've tried several times to work out the standardised score using your figures above but am getting way-out results. I wondered if you could kindly calculate it for me please. Thank you.

Do you mean the paper sat in September 2015 (for 2016 entry), or the paper sat in September 2014 for 2015 entry?

_________________
Outside of a dog, a book is a man's best friend. Inside of a dog it's too dark to read.Groucho Marx

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 Post subject: Re: 303 Score - Raw marks RequestPosted: Thu Feb 07, 2019 12:54 am

Joined: Sat Feb 02, 2019 2:32 pm
Posts: 5
EasterMum wrote:

I wonder if you can help. My daughter had a practice using the 2015 CSSE papers. She scored 42/60 raw on English and 45/60 on maths. I've tried several times to work out the standardised score using your figures above but am getting way-out results. I wondered if you could kindly calculate it for me please. Thank you.

Do you mean the paper sat in September 2015 (for 2016 entry), or the paper sat in September 2014 for 2015 entry?

The 2015 paper for 2016 admissions.

Thank you.

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 Post subject: Re: 303 Score - Raw marks RequestPosted: Mon Feb 11, 2019 7:52 pm

Joined: Wed Jan 18, 2012 12:41 pm
Posts: 10612
Location: Essex
EasterMum wrote:
EasterMum wrote:

I wonder if you can help. My daughter had a practice using the 2015 CSSE papers. She scored 42/60 raw on English and 45/60 on maths. I've tried several times to work out the standardised score using your figures above but am getting way-out results. I wondered if you could kindly calculate it for me please. Thank you.

Do you mean the paper sat in September 2015 (for 2016 entry), or the paper sat in September 2014 for 2015 entry?

The 2015 paper for 2016 admissions.

Thank you.

I make it 344.1 (anyone else, please pitch in ):

Mean (E) = (50.8/100)*60 = 30.48

(((42 - 30.48)/9.2)*15) + 100 =118.78

Mean (M) = (59.9/100)*60 = 35.94

(((45 - 35.94)/12.*15) + 100 = 110.62

(118.78 + 110.62)*1.5 = 344.1

_________________
Outside of a dog, a book is a man's best friend. Inside of a dog it's too dark to read.Groucho Marx

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 Post subject: Re: 303 Score - Raw marks RequestPosted: Fri Feb 15, 2019 1:48 pm

Joined: Sat Feb 02, 2019 2:32 pm
Posts: 5
Brilliant, thank you. X

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