Written question asked by David Lidington (Conservative) on Tuesday, 26 February 2002, in the House of Commons. It was due for an answer on Wednesday, 13 March 2002. It was answered by Baroness Winterton of Doncaster (Labour) on Wednesday, 13 March 2002 on behalf of the Lord Chancellor's Department.

Lord Chancellors Dept

Question: To ask the Parliamentary Secretary, Lord Chancellor's Department, what proportion of the pages of the computerised transcriptions of the 1901 Census returns were checked for errors. - Inc figures.

Answer: Mr. Lidington: To ask the Parliamentary Secretary, Lord Chancellor's Department what proportion of the pages of the computerised transcriptions of the 1901 Census returns were checked for errors. [38546] Ms Rosie Winterton: The Public Record Office and QinetiQ carried out independent quality assurance checks on a proportion of the electronic pages (images) on all reels of transcribed data. Each reel of data was subject to two checks. A 10 per cent. sample was checked for functionality and data integrity. If it was below the accuracy rate required it was reworked. A separate 2 per cent. sample of each reel was then checked for accuracy of transcription. If the reel failed this test, then the whole reel was checked. Out of 2,152 reels of data, 85 per cent. were subject to this full check.

Secondary information

Type: Written question
Reference: 38546; 381 c1173W;381 c1175W
Session: 2001-02
Subjects: Databases Census Data processing ICT Internet Public records Standards Public Record Office
Contains statistics: Yes
Link: View this Written question on www.publications.parliament.uk