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kushantha Friday, 03 August 2012 09:03 PM
"Z - Score depends on the mean and the standard deviation of raw marks. Z - score computed for a hypothetical mark of 65 is the highest ( more than 2 ) for Chemistry during 2002 - 2004. The lowest is for Combined Mathematics. Furthermore, Chemistry is not favoured by the Physical science students. Individual Z - Scores are added to calculate the overall Z- Score which is used to prepare the merit list.
In 2004, the Z – Score for Chemistry was 2.0923. A student has to get 74 marks for Physics and 82 for Combined Mathematics to achieve this score."
So this means students who are good at Chemistry have more chance to make it to Engineering rather than students who are good at Physics and Mathematics based on the Z-score???
In 2004, the Z – Score for Chemistry was 2.0923. A student has to get 74 marks for Physics and 82 for Combined Mathematics to achieve this score."
So this means students who are good at Chemistry have more chance to make it to Engineering rather than students who are good at Physics and Mathematics based on the Z-score???...')" type="button" class="btn btn-outline-secondary btn-sm" style="padding-top: 0px; padding-bottom: 2px">Reply
V.Yogendran Saturday, 04 August 2012 01:22 PM
Please think of years before 2000.If z-score removed and pure merit is considered for University admission the country will flourish well!Being in a backward area like Matara and being in Colombo are not the mistakes of students.They cannot decide where to be born in Sri Lanka.Considering pure merit and throwing the Z-scores,mean,standard deviations etc. is a must;Need of the hour!
bandara Saturday, 04 August 2012 03:47 PM
The university selection must be based on raw markes,especially for the pure sciences courses .We can see some logic in using z score for professional courses such as medcine and engineering but for pure sciences raw score is the most appropriate selection system.Einstine would have been a dropout if they used z score those days.The z score curtails the chances of eccentrically brilliant students ,i mean the students who are exceptional in one or two subjects.
sanathbaby Sunday, 05 August 2012 11:01 AM
Z score is a good criterion for university selection within a single group of students. When two groups are concerned z score could unimaginably distort the ranking in one or other group just like the one we are experiencing today. Even if the result of same examination is divided into two namely 1st shy and 2nd shy and calculates z scores separately and put into a common merit list a distortion will happen. As such, mixing two different z scores in a grievous mistake of our mathematicians.
Don Monday, 06 August 2012 07:27 AM
Sanathbaby is an intelligent person who knows lot more about Z scores than the UGC guys.
Leelananda Monday, 06 August 2012 07:44 AM
My friend yogendran there is big different specially very few big cities like Colombo, Kand Galle, Kurunegal,Matar(?), Jaffna and many many other cities and village in education vise. Those big cities are better equipped to cater these exams but not the poor rural villages. There for standardization is the only answer in this type of education.
jayasiri Monday, 06 August 2012 08:44 AM
The education department must give only one test. Then this problem is solved. They should learn how to introduce a new syllubus two years in advance so that repeating students could adjust to the new syllabus.
CHANDRAPALA Monday, 06 August 2012 03:56 PM
Whatever mechanism they introduce to the university admission their will be no impermanent solution to the present crises until they de- politicize the county's education system
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