Statistics lesson: Neither of the men in ties has a clue although they both know 'ego sum stultus'
Bozza has fired top DfE civil servant Jonathan Slater over the exam results fiasco. Gavin Williamson earlier denied making the resigning Ofqual boss Sally Collier a scapegoat for the exam results.
It goes to show how little attention the top people gave to the statistics before they went public and Bozza himself demonstrates the lack of understanding of a statistical haircut. But then, why should he, when the number of independent schools reaching a 9 grading was five times higher than all schools.
I also notice the modest curve on the all schools graph, compared with the laughably immodest curve on that from the 529 ISC. Pay Per Performance (PPP/P3) anyone?
Education Secretary Gavin Williamson has retained his position, ironically, despite his sacking for allegedly leaking information from Defence about Huawei the last time he held senior office.
No comments:
Post a Comment