If you want to use Excel's Goal Seek on multiple cells simultaneously, you'll need a much more powerful tool. Fortunately, one such tool comes with Excel. Let's have a look at the Solver add-in.

SAMPLE PLANNING WITH EXCEL’S SOLVER TOOL In this article, we demonstrate a two-step process using the Excel Solver tool to (1) select strata boundaries and (2) determine the sample size needed to meet ...