... of Data The samples chosen were: * Supermarkets selling groceries online - I used 'Google.com' to search for relevant supermarkets. * Online grocers offering a delivery service - I found quite a few shops that delivered to England but I decided that it would be sensible to do just four with my limited amount of time in mind. * A sample of products which might be purchased by a family household in its weekly shop - for this I analysed past receipts from my own family weekly shop. This constituted my initial 'basket' of groceries. * The prices for each of the items in the 'basket' - cheapest and dearest sold on the site, for the same commodity in the same volume or weight. The variables were the availability of products, prices and quantities. When choosing which products I was going to find the prices of, I had to make sure they were things that ...

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