how to calculate t score

how to calculate t score

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how to calculate t score

Postby psle » Tue May 08, 2012 8:27 pm

if my son get the following resutls for psle on 2011,

english:79
math:98
science:95
mother tongue:92

what will be his aggregate score,and which secondary schools would he get to choose? :? :? :? :? :? :udaman: :udawoman:
psle
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Re: how to calculate t score

Postby Verysuperkiasu » Tue May 08, 2012 8:53 pm

psle wrote:if my son get the following resutls for psle on 2011,

english:79
math:98
science:95
mother tongue:92

what will be his aggregate score,and which secondary schools would he get to choose? :? :? :? :? :? :udaman: :udawoman:



How is T-Score calculated for each subject?
We apply the following formula:
T=50+10 (X-Y)
Z
Where: X is the pupil’s mark for the subject
Y is the average mark (mean) scored by all the
pupils
Z is the spread of the marks around the
average mark (standard deviation)

http://www.sciencebuddies.com.sg/pdf/tscore.pdf
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Re: how to calculate t score

Postby fightingmom » Tue May 08, 2012 10:49 pm

i thought i saw there was a thread in KSP discussing about this :?
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Re: how to calculate t score

Postby psle » Thu May 17, 2012 7:06 pm

Thanks verysuperkiasu, can i know what average scores and standard deviation for 2011 is for 4 subjects?
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Re: how to calculate t score

Postby ProteX » Tue May 22, 2012 11:39 am

psle wrote:Thanks verysuperkiasu, can i know what average scores and standard deviation for 2011 is for 4 subjects?


The Mean score and Standard Deviation are only known to the MOE. Hence, you can only estimate them. Average Mean Scores is probably around 80. While SD is around 10.
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Re: how to calculate t score

Postby Pen88n » Tue May 22, 2012 12:02 pm

Mean scores will differ for different subjects, so will the SD. For the more difficult paper, mean score can be lower. Depending on the cohort "quality", the SD can be hovering around the mean or be very spread out for a highly diverse standard cohort.
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Re: how to calculate t score

Postby ChandraShin » Tue Jan 14, 2014 7:50 pm

Hi!

My son has been exempted from Mother Tongue (MT), hence the exam score will not be included, afaik.

In this regard, how to calculate T-Score if kid is exempted from MT?

Many thanks for reply.



Regards,

ChandraShin
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