Sheets or Excel can be used to find the mode of a set of data.
Many of you may already be familiar with using a graphing calculator to put a matrix in reduced row echelon form. Did you know that you can do the same thing with WolframAlpha?
To see how this is done, let’s start from the system of linear equations
Suppose we want to construct a stock portfolio containing two stocks. If we have $50,000 to invest and desire a total dividend return of 3%, how much must we invest in each stock?
Although this is a pretty simple portfolio, it gives us insight into how we can model the portfolio with a system of linear equations.
Put a bunch of people of both genders on a deserted island…what should happen?