________ are able to give direct testimony because they have observed events through their senses

A citation that appears at the bottom of the page of a Word document is a(n) ________

Fill in the blank(s) with correct word

Suppose you have access to quantitative data on populations by ZIP code and crime rates. You wish to determine if there is a relationship between the two variables and display the results in a graph. Which BI tool will be most useful??

A. ?Word cloud tool B. ?Querying tool C. Reporting tool D. Data visualization tool