Z-score botched says its author

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ends up in supreme court
By Sanjaya Nallaperuma, Lakbimanews.

The new formula that was adopted to calculate the Z-score for the Advanced Level examination results is flawed, says the professor who introduced the Z-score in Sri Lanka.
Senior Professor, Agriculture Faculty, Peradeniya University R.O. Thattil told LAKBIMAnEWS that it is wrong to calculate the score on a single formula for two syllabi.

It is Professor Thattil who introduced the Z-score formula in Sri Lanka. However, the education authorities did not consult him prior to using the new formula, he said.
As a result many qualified students have been denied the chance of gaining entrance to universities, education analysts contended.
Meanwhile, Lanka Teacher Services Union (LTSU) General Secretary Joseph Stalin said that his union will be taking legal action against the release of Advanced Level results, soon.
He said that they will be filing a fundamental rights petition in the Supreme Court (SC) charging that the education authorities have failed in releasing the Advanced Level examination results correctly --  and due to this reason per se, the Advanced Level results should be declared null and void.
He said that they have also sought a decree from the SC that the Advanced Level examination results be re-issued.
Joseph Stalin also told LAKBIMAnEWS that all organizations and unions in the education sector including the University Lecturers Union have been summoned for a special discussion in this connection on January 11. He said a final decision regarding instituting legal action against the education authorities will be taken at the discussion.
Stalin also commented that they have no faith in the persons appointed to look into the entire system of releazing the said results, and that legal action will be taken against them as well. He further added that the formula that had been followed regards the old and the new syllabi to award a single Z-score was wrong, and that they will be making representations to the SC in this regard.