Why is it important to use secondary data?

Question

full answers please

Answer 1

secondary data is faster to collect than primary data as you don't have to physically go and do the research yourself..this is the only reason i can think of right now! x

Answer 2

Secondary data might answer the question your asking so that you wont have to do your own research i.e. primary.

Secondary data can be compared to primary data to see if yours is valid and reliable.

Secondary data can help you form hypotheses

Secondary data can be information provided by the government, therefore would take you a lifetime figuring it out for yourself.

Answer 3

Because it is, and i cant be bothered to explain go here http://en.wikibooks.org/wiki/Statistics/...

Ok let me tell u, primary data is raw data which you have collected through doing surveys and other way of retrieving information. Secondary is data already collected and you can use this data in the same way.