1. Collecting Data.Sampling. 2. Why do we usually sample? Is it possible to measure all the pebbles on a beach to work out the average pebble size? Chances are the answer…

1. Collecting Data.Sampling. 2. Why do we usually sample? Is it possible to measure all the pebbles on a beach to work out the average pebble size? Chances are the answer…

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Chapter 4 4.1 Sampling and Surveys Sampling When we want to know more information about an entire group of individuals called a population, we collect information from a…

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APRIL 2012 Something new from an old favourite. *Source: AC Nielsen Scantrack, February 2012 Launching new McCain Jackets from Ireland’s favourite frozen potato brand*.…