Part d
establishing causality is often a main focus of statistical studies. what is the best type of study to conduct
to establish causality? use the situation in this task to support your answer.

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2