Mean in a histogram : S1 Edexcel June 2012 Q5(a)(b) : ExamSolutions Maths Videos

Statistics Exam question on finding the mean in a histogram. Go to http://www.examsolutions.net/a-level-... to see other questions in this paper, index, playlists and more maths videos on histograms, mean and other statistics topics. THE BEST THANK YOU: https://www.examsolutions.net/donation/