6401.0 - Consumer Price Index, Australia, Dec 2012 Quality Declaration
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 23/01/2013
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DECEMBER KEY POINTS
THE ALL GROUPS CPI
OVERVIEW OF CPI MOVEMENTS
CHANGES IN THIS ISSUE
The CPI Analytical series 'All Groups CPI, seasonally adjusted' and 'Underlying trend series - Trimmed mean and Weighted median' have been revised as a result of the Annual Seasonal Re-analysis (ASR). The ASR reviews the seasonal adjustment of series in more detail than is possible in the quarterly processing cycle. Appendix 1 of this issue presents the outcomes of the ASR and provides a summary of the changes implemented from the December quarter 2012.
Changes to the seasonally adjusted series do not affect the original CPI index series.
For more information about seasonal adjustment see paragraphs 14 to 17 of the Explanatory notes or refer to Information Paper: Seasonal Adjustment of Consumer Price Indexes, 2011 (cat. no. 6401.0.55.003).
CHANGES IN FUTURE RELEASES
From the March quarter 2013, the time series spreadsheets, 'TABLE 15. CPI: Expenditure Class Index Numbers, Seasonally adjusted, Weighted Average of Eight Capital Cities' and 'TABLE 16. CPI: Expenditure Class, Combined seasonal adjustment factors, Weighted Average of Eight Capital Cities' will change. Index numbers and combined seasonal adjustment factors will be published for all CPI expenditure classes, including those series that are not seasonally adjusted. Previously, index numbers and combined seasonal adjustment factors were published for only those series that are seasonally adjusted. Mock-ups of the new time series spreadsheets are available from the 'Downloads' tab of this issue on the ABS website <http://www.abs.gov.au>.
Any discrepancies between totals and sums of components in this publication are due to rounding.
For further information about these and related statistics, contact the National Information and Referral Service on 1300 135 070.
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