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8 The IAS is conducted biannually and the reference quarters are March and September. This publication includes information reported by ISPs which were operating in Australia at the end of the reference quarter. Figures on the volume of data downloaded relate to data downloaded during the three months of the reference quarter as reported by ISPs still in operation at the end of the reference quarter.
RELIABILITY OF DATA
9 As the IAS does not have a sample component, the data are not subject to sampling variability. However, other inaccuracies, collectively referred to as non-sampling errors, may affect the data. These non-sampling errors may arise from a number of sources, including:
10 Every effort has been made to reduce non-sampling error to a minimum by careful design and testing of questionnaires, efficient operating procedures and systems, and appropriate methodology.
11 ABS publications draw extensively on information provided freely by individuals, businesses, governments and other organisations. Their continued cooperation is very much appreciated; without it, the wide range of statistics published by the ABS would not be available. Information received by the ABS is treated in strict confidence as required by the Census and Statistics Act 1905.
12 In particular, the ABS acknowledges the assistance of the TIO in providing regular lists of registered ISPs.
13 Other ABS publications on information technology and telecommunications in Australia are:
Business Use of Information Technology, 2002-03, cat.no.8129.0
Government Technology, Australia, 2002-03, cat.no.8119.0
Household Use of Information Technology, Australia, 2001-02, cat.no.8146.0
Information Technology, Australia 2000-01, cat.no.8126.0
Use of Information Technology on Farms, Australia, June 2002, cat.no.8150.0
AVAILABILITY OF UNPUBLISHED STATISTICS
14 The ABS may make available on request certain unpublished statistics from this census, subject to the application of confidentiality provisions. Please contact Peter Hodgson by telephone on 1800 136 387 during business hours or via email on firstname.lastname@example.org at any time.
15 Prior to the March 2003 issue of this publication, data at the Statistical Division level were included, however, these data are no longer available.
MORE INFORMATION ON ABS INFORMATION TECHNOLOGY STATISTICS
16 To access the theme page, select 'Themes' from the menu on the home page. Details of other ABS publications relating to the production and use of information technologies in Australia can be found in paragraph 13 of the Explanatory Notes above.
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