Question

investigations provide large amounts of information about a wide range of variables.

Answer 1

Answer
Quantitative Investigations provide large
amounts of information about a wide range
of variables

Answer 2

To understand or analyse any uncommon or unknown fact or circumstances,we have to perform research and investigation work for that particular unknown fact or circumstances.

Investigation is related with the research works, because we get various facts from a proper investigation, which are very helpful for the further research work on that particular topic.