posted by Anna .
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.