Arithmetic and geometric means

Simon Briscoe made this Freedom of Information request to Office for National Statistics

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Dear Office for National Statistics,

Many ONS statistics will be derived by calculating the mean of data points. Can you please tell me what type of mean is used in which sections of the ONS? Please let me know how the mean is calculated in each major group of ONS outputs, for example, retail sales, CPI, RPI, PPI, house prices etc? Perhaps there are technical manuals that explain this that you can refer me to? I would like the answer in as much detail as is available, ideally saying the formula type used, Dutot, Jevons etc.

Yours faithfully,

Simon Briscoe

ONS FoI Team, Office for National Statistics

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Dear Office for National Statistics,

Hello. Do you know when I might receive a response?

Yours faithfully,

Simon Briscoe

FOI Team, Office for National Statistics

Our Reference: FOI 3624

Dear Simon

Thank you for your email requesting data pertaining to the calculated
means for ONS outputs.

I am writing to confirm that the Office for National Statistics has now
completed its search for the information which you requested and the
response can be found here:
[1]https://www.ons.gov.uk/aboutus/transpare...

You have the right to have this response to your freedom of information
request reviewed internally by an internal review process and, if you
remain unhappy with the decision, by the Information Commissioner. If you
would like to have the decision reviewed please write to The FoI Team,
Room 1100, Office for National Statistics, Segensworth Road, Titchfield
PO15 5RR, and mark your correspondence "Internal Review".

If you have any queries about this email, please contact the Freedom of
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Please remember to quote the reference number above in any future
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Freedom of Information Team
Office for National Statistics For information on the work of the UK
Statistics Authority, visit: http://www.statisticsauthority.gov.uk

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Legal Disclaimer: Any views expressed by the sender of this message are
not necessarily those of the UK Statistics Authority
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