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Consumers Price Index: March 2017 quarter
Embargoed until 10:45am  –  20 April 2017
Data quality

Period-specific information

Reference period

We collected prices in January to March 2017. Stats NZ staff visited retail outlets during 1–21 February. We collect prices for food and non-food groceries each month, usually between the 8th and 17th of the month. Petrol, fresh fruit, and fresh vegetable prices are collected weekly. We collected quarterly postal survey prices at 15 February 2017.

Response rates

Postal

Target: 93 percent
Achieved: 94.8 percent

Field collection

Stats NZ price collectors gather prices directly from retail outlets.

Sample size

We collected about 100,000 prices from about 2,800 retail outlets and 2,300 other businesses and landlords.

More information

Consumers Price Index – DataInfo+
General methodology and related metadata about the consumers price index.

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.

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