Math

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Identify each data source as primary or secondary. State one advantage or each source of data.

a) A researcher interviewed 10 students about their study habits - primary

b) A sporting goods company searched on the internet for data on how Canadians spend their leisure time - secondary

c) A manufacture surveyed 1000 recent customers about changes to a product. - primary

d) A student found advertisements in out of town newspaper at a library to check admission prices at theaters across across the country. - secondary.

I identified whether it's primary or secondary. But I need help stating their advantages.

  • Math -

    Can someone answer my question please? It's urgent now..

  • Science -

    Oh my, my mistake. It's science, not math.

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