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Food Price Index: October 2017
Embargoed until 10:45am  –  20 November 2017
Related links

Next release

Food Price Index: November 2017 will be released on 13 December 2017.

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Past releases

Food Price Index has links to past releases.

Data quality

Period-specific information

Reference period
We collected prices for the food price index (FPI) during 10–17 October, except for fresh fruit and vegetable prices. Fresh fruit and vegetable prices were collected each week – Friday in most urban areas, and each Thursday in the remaining urban areas.

General methodology

Food Price Index – DataInfo+
General methodology used to produce the food price index, and related metadata.

Official Statistics System principles and protocols for producers of Tier 1 statistics 
Statistics in this release have been produced in accordance with the Official Statistics System principles and protocols for producers of Tier 1 statistics for quality. They conform to the Statistics NZ Methodological Standard for Reporting of Data Quality.

Sample size
In a typical month, we collect about 19,000 prices from 560 retail outlets.

Imputation
Due to being unavailable at the time of price collection, we impute, on average, 0.7 percent of prices (not including seasonal fresh fruit and vegetables) in a typical month – by carrying forward the previous month’s price.

Related information

Consumers price index measures price change of goods and services purchased by New Zealand households.

Food prices in the consumers price index and food price index gives an explanation of the sources and methods used to compile food prices.

Electronic card transactions measures the number and value of electronic card transactions with New Zealand-based merchants.

Retail Trade Survey measures sales of a range of household and personal goods and services.

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