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.

A study published in Opto-Electronic Science discusses high-intensity spatial-mode steerable frequency up-converter toward on-chip integration. Integrated photonic devices consisting of micro ...