Working out an average is adding and dividing, but two things almost nobody explains: how to do it with the statistics keys on a calculator, and why averaging averages hardly ever gives the real average. With worked examples and real numbers.
► Free average calculator, no sign-up: https://tutoriolab.com/en/average-calculator/
Average, weighted average and — the one you want the night before the final — what mark you still need. Downloads as a PDF.
► Free scientific calculator: https://tutoriolab.com/en/calculator/
📄 The written steps, with screenshots: https://tutoriolab.com/en/sacar-el-promedio/
📌 More short tutorials like this: https://tutoriolab.com/en/
#weightedAverage #averagingAverages #averageCalculator
