Cobalah menggunakan spreadsheet Excel. Gunakan rumus Excel untuk menghitung rata-rata. Cobalah menggunakan kalkulator rata-rata.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
If you need to calculate the average from a lengthy list of ages, try putting them into Excel. Otherwise, if you sit there with a calculator or notepad and paper, it could take you a long time.  Let’s say for the sake of argument that you needed to calculate the average age of every student in a school or of every person on the payroll of a large company. Those are examples of lists where there would be so many ages that it would be beneficial to use a spreadsheet program like Excel. The first t