The Mean

The Mean | Statistics & Probability Bob is training for a race and is timing himself to check he’s getting faster. Times (in minutes): 51 48 45 44 47 50 44 47 45 43 49 44 43 44 His times are a bit inconsistent. He wants to find his average, to get a better understanding of what time he is likely to run in his race. When we say the word ‘average’ it actually can mean 3 different things: Mean; Median and Mode. In this video we’re going to look at the one people usually mean when they say average - the mean.