91 ÷ 10 = 9.1. The mean number of potatoes in a bag is 9.1 Practise working out mean, mode and range from a frequency table with this quiz. You may need a pen and paper to help you with your answers.

In these cases, the mode can quickly be determined from a frequency table. For example, a store might use the mode to determine its most popular brands, or to determine the busiest shopping day of ...